If Ur Happy & U Know It Clap Your… Oh Shirt product image (113)
If Ur Happy & U Know It Clap Your… Oh Shirt product image (114)
If Ur Happy & U Know It Clap Your… Oh Shirt product image (113)
If Ur Happy & U Know It Clap Your… Oh Shirt product image (114)

If Ur Happy & U Know It Clap Your… Oh Shirt

$34.88 $27.90 CAD

The T-Rex “If You’re Happy and You Know It Clap Your… Oh” Shirt is a hilarious, viral Twitter-style tee that perfectly blends playful nostalgia with clever humor, turning a classic childhood song into a laugh-out-loud visual joke. Featuring a witty design centered around a T-Rex facing the ultimate short-armed dilemma, this shirt delivers instant comedic impact that’s easy to love and impossible to ignore. It’s the kind of graphic that gets smiles, double takes, and plenty of “that’s actually funny” reactions wherever you go, making it ideal for casual outings, school, hangouts, or just brightening someone’s day. Crafted from soft, comfortable fabric with a relaxed fit, it’s made for all-day wear while still standing out as a unique piece of humor-driven apparel. Whether you’re into dinosaurs, dad jokes, or viral meme-style fashion, the “If You’re Happy and You Know It Clap Your… Oh” shirt is a fun, lighthearted addition to any wardrobe that keeps the good vibes going.

Select color: White

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More details

  • Solid colors are 100% ring-spun cotton
  • Sport Grey is 90% ring-spun cotton, 10% polyester
  • Heather colors are 65% polyester, 35% cotton
  • Lightweight fabric (4.2 oz)
  • Relaxed fit
  • Unisex sizing

Size & Fit

View size chart

Quality Guarantee & Returns

  • Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
  • Because the products are made to order, we do not accept general returns or sizing-related returns.

If Ur Happy & U Know It Clap Your… Oh Shirt Size Guide

Size guide preview
Size label Length Width Sleeve length
S
28
18
16.75
M
29
20
17.88
L
30
22
19.13
XL
31
24
20.38
2XL
32
26
21.63
3XL
33
28
22.75

Measurements are provided by suppliers. Product measurements may vary by up to 2" (5 cm).

Pro tip! Measure one of your products at home and compare with the measurements you see in this guide.

 


A Length

Place the end of the tape beside the collar at the top of the tee (Highest Point Shoulder). Pull the tape measure to the bottom of the shirt.


B Width

Place the end of the tape at the seam under the sleeve and pull the tape measure across the shirt to the seam under the opposite sleeve.


C Sleeve length

Place the end of the tape at the center back of the collar, then pull the tape measure along the top seam of the sleeve. When you get to the shoulder hold the tape in place at the shoulder and continue to pull down the sleeve until you reach the hem of the sleeve.

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