fat-man

a euphemism for defecation, used in conjunction with 'little-boy' (i.e. urination). Commonly used as a noun, but acceptable in verb form.

I shouldn't have had that seventh enchilada. I've never had to take a fat-man so bad in my life.

I always fat-man before i go to work in the morning.

by Anonymous April 19, 2003

Fat Man

Stemming from the name of the nuclear bomb dropped on the Japanese city of Nagasaki; this term means to stand a top the tank of ones toilet and proceed to shit into the bowl from that height, resulting in a large splash, and if one has had Indian food, a considerable mess.

"Hey John come in here! I'm about to drop a Fat Man!"

by hankmaster69 November 9, 2017

“The Fat Man”

One of many slang uses for the word dad or father.

“The fat man” is on his way here, I’ll have to be going soon.

by darbell April 25, 2020