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
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Fat man (adj)
Fat ·man
1. a person working against a government in the context of military action.

2. A bomb that's or may have not been dropped on Hiroshima or Nagasaki

3. A lazy or fat person or item
1. Get off that damn computa boy and go touch some grass you mothafuckin fat ass! Do something for once and don't be a fat man.

2. We just dropped the Fat Man. He was considered s planet
by Dr. DaddyChadensky January 29, 2023
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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
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adsadsasd#5806
adsadsasd#5806 is a very fat man fat man.
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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
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when one eats too much intentionally and then gets heart burn or feels bloated or throws up immediately afterward
something that girlfriends of fat guys everywhere have to put up with and there's no remedy to it because fat guys will not listen when it's in the heat of the moment with that beloved food item
"What's wrong with Mark?"
"Oh, he's just suffering from fat man's remorse."

"Baby, didn't I tell you you were going to have fat man's remorse? That's why you should've have stopped after the 8th piece of chicken!"

"This is the last time I'm experiencing your fat man's remorse. I'm just going to start withholding sex from you next time you want to eat those fried twinkies."
by randigirlfriend April 27, 2014
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