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Sale Price $18.36.  
Original Price $22.95 Comp. value
per shirt
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I'm Not 40, Just 39.99 Plus Tax - Humorous Joke T-Shirt

Qty:
Basic Dark T-Shirt
-$1.35
+$9.55
Black
Vivid Printing: White Underbase

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About T-Shirts

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Style: Basic Dark T-Shirt

Comfortable, casual and loose fitting, our heavyweight dark color t-shirt will quickly become one of your favorites. Made from 100% cotton, it's unisex and wears well on anyone and everyone. We’ve double-needle stitched the bottom and sleeve hems for extra durability. Select a design from our marketplace or customize it to make it uniquely yours!

Size & Fit

  • Model is 6’2” and is wearing a medium
  • Standard fit
  • Garment is unisex sizing
  • Fits true to size

Fabric & Care

  • 100% cotton (Heathers are a cotton/poly blend)
  • Double-needle hemmed sleeves and bottom
  • Imported
  • Machine wash cold

About This Design

I'm Not 40, Just 39.99 Plus Tax - Humorous Joke  T-Shirt

I'm Not 40, Just 39.99 Plus Tax - Humorous Joke T-Shirt

Looking for the perfect funny 40th birthday gift? This hilarious t-shirt features the witty saying "I'm Not 40, I'm 39.99 Plus Tax" - a great way to celebrate turning the big four-oh with laughter! Ideal for men and women with a fantastic sense of humor. Comfortable to wear and sure to be a conversation starter at any birthday party. Click to personalize or browse more funny birthday designs!

Customer Reviews

4.7 out of 5 stars rating31.6K Total Reviews
24726 total 5-star reviews4867 total 4-star reviews1067 total 3-star reviews471 total 2-star reviews429 total 1-star reviews
31,560 Reviews
Reviews for similar products
5 out of 5 stars rating
By Jenny S.September 9, 2025Verified Purchase
Value T-Shirt, Black, Adult S
My 11 yo wore adult XL (5’7” 165#). The 8yo is small framed. She wore adult small and tied it in the back. Dark haired male wore adult large and 5’9”, 110# female wore adult medium . Good quality dark Heather gray, Gildan brand shirt. -it was next up from basic choice and cost about $20 per shirt. Not too thick or thin. Washed and dried well, no major shrinkage. Not see-through. Can wear a bra under it fine. Screen print is just as shown and well done, front and back.
5 out of 5 stars rating
By Jenny S.September 9, 2025Verified Purchase
Value T-Shirt, Black, Adult S
My 11 yo wore adult XL (5’7” 165#). The 8yo is small framed. She wore adult small and tied it in the back. Grandma wore adult large with long sleeve shirt underneath. Tall girl adult medium. Dark haired male adult large. Good quality dark Heather gray, Gildan brand shirt. -it was next up from basic choice and cost about $20 per shirt. Not too thick or thin. Washed and dried well, no major shrinkage. Not see-through. Can wear a bra under it fine. Screen print is just as shown and well done, front and back.
5 out of 5 stars rating
By Jenny S.September 9, 2025Verified Purchase
Value T-Shirt, Black, Adult S
My 11 yo wore adult XL (5’7” 165#). The 8yo is small framed. She wore adult small and tied it in the back. Dark haired male wearing adult large and female wearing adult medium. Good quality dark Heather gray, Gildan brand shirt. -it was next up from basic choice and cost about $20 per shirt. Not too thick or thin. Washed and dried well, no major shrinkage. Not see-through. Can wear a bra under it fine. Screen print is just as shown and well done, front and back. They printed random cupcake image I downloaded from internet with no problems! Looked perfect! Front design was stock from zazzel.

Tags

T-Shirts
funny 40th birthday t shirthumorous 40th birthday giftsarcastic 40th birthday teejoke 40th birthday shirtwitty 40th birthday sayingim not 40 t shirt39 99 plus tax shirtturning 40 gag giftfortieth birthday humorbirthday shirt for him
All Products
funny 40th birthday t shirthumorous 40th birthday giftsarcastic 40th birthday teejoke 40th birthday shirtwitty 40th birthday sayingim not 40 t shirt39 99 plus tax shirtturning 40 gag giftfortieth birthday humorbirthday shirt for him

Other Info

Product ID: 256107320981582861
Created on: 5/19/2025, 7:05 AM
Rating: G