Guys wear no shirt day

A day in which guys wear no shirt all day. Celebrated on October 15th.

When’s guys wear no shirt day.
It’s on October 15th, maybe you should start working out.

by Anomanous October 13, 2019

National Roblox T-shirt Day

December 14

Hey, did you know December 14 is National Roblox T-shirt Day.

by bragkage December 13, 2021

International Tuck-In-Your-Shirt Day

Celebrated in memory of Emperor Kameyama of Japan on the 4th of October every year. Everyone must tuck in their shirts today.

Hey, Today is International Tuck-In-Your-Shirt Day, tuck in your shirts!

by Destroytion October 3, 2022

International no shirt day

No shirt, no problem.

International no shirt day "no shirt on for a day"

by Annonguy8211 August 8, 2025

Punch someone with a striped shirt day

May 24. is punch someone with a striped shirt day. You are allowed to punch someone with a striped this day.

girl in striped shirt: ow why did you punch me
guy: because it's punch someone with a striped shirt day!

by XDragonLinus#420Koreangirls69X May 24, 2022