1 definition by mj tragic

1
"Knocked up" is slang for "Impregnating"

Though it is generally used negatively, in certain "ghetto" settings, it is a compliment to tell a girl her boyfriend knocked you up. No one is sure why, but many believe it is a compliment for implying that said boyfriend is attractive/sexually potent.
"You're flyboy got me knocked up/impregnated me"
"Thanks, girl! He is a looker!"
by mj tragic February 06, 2014
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