Definition 1: When a man makes another typically more feminine man pregnant.

Definition 2: In prison, when a male is impregnated by a group of other men.
Boy: “Did you see Tyler? He’s pregnant! His butt baby’s due any day now. I think Tommy’s the father.”

Girl: “What? I thought Tyler was a girl...”

Tyrone: “You know Terry? Dax and I somehow got his bitch ass pregnant in the showers when he dropped the soap! He’s about to have our butt baby!”

Juan: “Ay! Terry’s my bitch homes, you owe me! Also, how is that even possible, he ain’t a chick.”
by BigBodyTyrone August 25, 2021
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1)A baby which has been either concieved due to anal sex or has been born through the anal passage as opposed to the vagina. Usually resembles a faeces covered fetus.

2)An insult directed at people who enjoy rectums and their function.
1)"Thomas was a Butt Baby, he was born out of a smelly anus."
2)"Thomas is such a Butt Baby, look at the way he acts around rectums."
by Casanova M-baby May 4, 2005
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The other term for fecal matter (feices) (poop)
It comes for you butt, and its like a little baby, therefor butt babies
Dude!! i clogged the toilet with a litter butt babies
by elle wordo mastero June 10, 2009
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The infant born that was concieved during anal intercourse. This occurs when a male ejaculates inside of a woman's anus, then she omits gas and the sperm is then forced out of and carried to her vagina. Once inside, she becomes inpregnated.
A porn stars who eats beans is most likely to produce a butt baby.
by mamabearwhiskey April 17, 2009
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azoural and extractor
Man 1: Dude I cant go to the party my mom said no
Man 2: What are you a fuckin butt baby
Man 1: Do I look like extractor 111 or freddy fazbear to you?
by Jack67194 May 28, 2023
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"Hey officer butt baby"
"Its Barbrady!"
"What did we say?"
"Butt baby"
"hahahaha"
by dested April 9, 2007
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