Top Definition
when sperm leaks out of the anus after anal sex.
"dont cum in my butt i dont want any sperm babies!"
by mackbergs February 04, 2006
5 Words related to sperm babies
Person who likes to blow on dicks and drinks all the sperm. Drinks it like its milk ( similiar to an infant who sucks on a nipple for milk ).
The hoe swallowed my kids like the spermbaby she is.
by Serge Dog June 22, 2006

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