Top definition
The Incredibly Popular Internet Challenge in which participants attempt to completely seal their asshole tight, and then attempt to shit.
Bro, Did you see that sick flex seal challenge video by Logan Paul? it was almost as good as the forest in Japan!
by Mr. Huffman November 06, 2020
Get a flex Seal challenge mug for your boyfriend Vivek.
Sep 11 Word of the Day
when you're hungover as shit after a spending a night drunk as a skunk
I'm hungover as a duck let's go get some grub
by pokeythepony June 25, 2021
Get a hungover as a duck mug for your cat Larisa.