fire in the bowl

The burning sensation of one's rectum; Usually experienced while on the toilet after consuming a spicy meal

Man, i had some serious fire in the bowl after eating those jalapeño poppers last night

by Don Cinito February 27, 2015

fire 'em up

Going to sleep, being tired or bored

I felt like I was going to fire 'em up in class today.

by SithlordDarthRPG August 28, 2003