An unexpected pregnancy or child. Also the best term to explain to your bastard child why Daddy never comes to visit.
"Hey, have you seen Julie recently?"
"Yeah, looks like she got knocked up with a boo boo baby."
by Jack August 6, 2006
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oops condom broke nicknames for guys who got many women pregnant nicknames for guys
Hey Boo Boo Baby! He's her booboobaby.
by Jen N. March 25, 2008
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Young slutty type of girl.
Dirty butt of this generation

Under the age of 25
Sluty, Whorish like, Thot, Young Thot,
Amber wishes she was a Boo-Boo Dirt Baby but she's to old. You would consider her a dirty butt
by "2Late" May 13, 2019
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Young Dirty Slut/Whore thats 27and younger
Fucks everybody for free
Or for drugs
Homewrecker
Samii is the biggest boo-boo dirt baby. Give it time and she will be the most trifling dirty butt this worlds ever seen
by "2Late" February 9, 2021
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A word explaining the sentence of someone who cant have sex with people their age so they have sex with infants
Jack: "Since I can't have sex, im going to commit bing bang boo boo baby
by bites_za_dusto January 17, 2020
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