A childlike person who resembles an infant physically, intellectually, or both. These individuals often exhibit poor sportsmanship, especially with regard to amateur sports like ping pong or badminton.
Q: Have you ever tried to reason with that kid Oliver after a ping pong match?
A: Nah, he’s a stupid baby.
by doctorscience November 26, 2018
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A childlike person who resembles an infant physically, intellectually, or both. These individuals often exhibit poor sportsmanship, especially with regard to amateur sports like ping pong or badminton
Q: Have you ever tried to reason with that kid Oliver after a ping pong match?
A: Nah, he’s a stupid baby.
by doctorscience November 26, 2018
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Names that famous people have given their children that are completely moronic. Hence, stupid baby name(s).
Tom "What should we name our child?"

Katie "I don;t know"

Tom "How bout Suri?"

Katie "Why, that sounds like a stupid baby name?"

Tom "Scientology demands it"
by jokemonkey2 February 10, 2007
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1: (n) a relatively unintelligent person with unsightly facial features.
Johnny: There's no way I'm the father. You're crazy, just like your mother.

Suzie: You are such a "Stupid Dumb Baby with a Butt on your Head!"!
by Pieceofsod April 14, 2009
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Also known as "SBB", a stupid bitch baby is who that person was in the past except that person has to be a stupid ass child who was an annoying little shit. It's a good way to separate who you are now from who you were as a way to cope with your own past actions.
Dale: what would it be like if you met your own stupid bitch baby?

Eli: they'd probably be confused and say "whaaat?? There's only two genders! What do you mean 'non binary'?"

Dale: oof. That sucks

Eli: what about yours?

Dale: my SBB would probably be asking how the fuck I'm this constantly horny

Eli: jeez
by AeronaTheFox February 7, 2021
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