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Funny Please Use Your Brain Tee – Humorous Casual Shirt for Thinkers

(314 customer reviews)

Get ready to express your witty side with the Funny Please Use Your Brain Unisex Heavy Cotton Tee! This humorous shirt for thinkers features a playful message that invites laughter and sparks conversations. Made from soft, durable cotton, it’s perfect for any casual occasion. Plus, its relaxed fit ensures comfort all day long. That’s why it’s the ideal choice for anyone who loves to blend fun with fashion!

Original price was: $24.99.Current price is: $19.99.

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  • Arrives soon! Get it by if you order today
  • 90-day returns & exchanges accepted
  • Small business brand. Support small.
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Price: $24.99 $19.99

UNISEX T-SHIRT SIZE GUIDE

SIZELENGTH (IN)WIDTH (IN)LENGTH (CM)WIDTH (CM)
S28.0018.0071.1245.72
M29.0020.0073.6650.80
L30.0022.0076.2055.88
XL31.0024.0078.7460.96
2XL32.0026.0081.2866.04
3XL33.0028.0083.8271.12
4XL34.0030.0086.3676.20
5XL35.0032.0088.9081.28

Excellent 5 out of 5 stars 4.8 Trustpilot
Product Details

Unisex Classic Shirt

  • Soft, lightweight 100% ringspun cotton for everyday comfort
  • Smooth surface that makes printed designs look sharp
  • Relaxed fit that stays breathable and holds its shape

Unisex Premium Shirt

  • Heavyweight, garment-dyed soft-wash cotton with a vintage feel
  • Thicker, premium fabric with a cozy, broken-in texture
  • Rich, deep color tones that age beautifully over time

Unisex Sweatshirt

  • Warm mid-weight cotton-poly fleece with a soft, brushed interior
  • Smooth outer surface for clean, vibrant prints
  • Cozy, everyday fit that’s perfect for layering

Unisex Hoodie

    • Soft, durable cotton-poly fleece for all-season comfort
    • Plush interior with a structured outer feel
    • Spacious pocket + adjustable hood for practical daily wear
Shipping and returns
FREE 2–5 Day Delivery for orders $49+

Get it between

Dates are estimates; final options and fees appear at checkout.

Standard Delivery
Ships within 24–48 hours. Most orders arrive within the window above (FREE on $49+).
Express Delivery
Faster 1–3 day transit to most U.S., Europe, Canada, and Australia addresses. Rates shown at checkout.
Overnight Delivery
Next-business-day delivery to eligible ZIP codes when ordered by the cutoff time.

Shipping

Packed with care and dispatched quickly—track your parcel door to door.

90-Day Returns

Not the right fit? Return most items within 90 days for a refund or exchange.
About NanoTees

We are a collective of small business owners who sell on Etsy and here on our own website. By running our own store alongside Etsy, we avoid some of the extra marketplace fees and can offer lower prices — usually $5–$8 less per product — while keeping the same high quality.

Introducing the Funny Please Use Your Brain Unisex Heavy Cotton Tee – Humorous Shirt for Thinkers, Sarcastic, Please Use It Shirt Express Delivery available, a perfect blend of humor and style! This shirt is designed for those who embrace wit and love to make a statement with their wardrobe. Whether you’re at a casual gathering or just hanging out with friends, this tee is sure to spark conversations and bring smiles.

Why This Funny Please Use Your Brain Unisex Heavy Cotton Tee Is the Perfect Choice for Your Wardrobe

With its clever design, the Funny Please Use Your Brain tee captures the essence of playful sarcasm. It’s not just a shirt; it’s a declaration of individuality for thinkers who appreciate humor in their daily lives. The light-hearted message encourages everyone to engage their minds, making it an ideal choice for those who enjoy a little fun in their fashion.

Moreover, this shirt is crafted from high-quality cotton that feels soft against your skin while ensuring durability. Its medium fabric weight makes it suitable for year-round wear, allowing you to flaunt your personality in any season. The ribbed knit collar adds a touch of elasticity that helps the shirt retain its shape wash after wash.

Designed for Comfort and Everyday Wear

When it comes to comfort, this tee stands out. The specially spun fibers create a strong yet smooth fabric that feels great against your body. Whether you’re out for a coffee run or lounging at home, it’s the perfect choice for any occasion. This shirt caters to those with a light-hearted spirit who want to blend fun with comfort effortlessly.

Who will love it? Anyone with a playful side! Perfect as a gift for friends, family, or even yourself, it’s a funny gift idea that’s sure to bring joy. Its unique design speaks to thinkers, making it a must-have for those who enjoy expressing their personality through fashion.

Why You’ll Love It

  • Relaxed fit made from ethically sourced US cotton for ultimate comfort.
  • Eye-catching graphic that showcases your sarcastic side while inviting laughter.
  • Soft fabric that feels great against the skin, perfect for casual everyday wear.
  • Ideal for various occasions, from social gatherings to relaxed weekends.
  • Easy care instructions ensure it remains a favorite piece in your collection.
  • An excellent choice for a humorous gift that resonates with the thinkers in your life.

Customer Reviews

314 reviews for Funny Please Use Your Brain Tee – Humorous Casual Shirt for Thinkers

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