Same thing as a baby cannon may be used in english slang someone who has too many kids in a short amount of time.
Mia: Did you hear that Brenda is having another baby!
Chloe: Didnt she just give birth to one four months ago?

Mia: Yea she is a real baby popper opens her legs then POP! another baby flies out.
by A Good Bean May 29, 2018
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