i ned a shet - A slang cheat for I need a poop, like when your brain is too

A slang cheat for I need a poop, like when your brain is too lazy to use the real word and your face is about to melt.

I ned a shet, I can't take it anymore.

I ned a shet, I'm gonna pass gas in front of my mom.

I ned a shet, I feel like a dog that just ate a shoe.