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I Only Use Sarcasm Periodically – Funny Chemistry T-Shirt

$33.23 $28.89 AUD
10% off for everyone, Free shipping when you spend $108.39+ for everyone. Promotion auto-applied on checkout.

 For people whose humor is as elemental as their science.

This clever chemistry design spells out SArCaSm using periodic table elements — Sulfur, Argon, Calcium, and Samarium — beneath the phrase “I Only Use Sarcasm Periodically.”

Perfect for chemistry teachers, science students, lab lovers, STEM professionals, and anyone with a dry sense of humor. A fun gift for birthdays, graduations, teacher appreciation, science clubs, or anyone who enjoys nerdy jokes with a periodic-table twist.

Select color: Black

Select size

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

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.

I Only Use Sarcasm Periodically – Funny Chemistry T-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.