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when a girl is pregnant
Boy: You're what?!
Girl: Tin roof rusted.
by Wendy In the Sky with Diamonds December 22, 2003
This word means that a girl is pregnent, and is usually used when it's a mistake.
Shaina's tin roof got rusted .
"You're what?"
"Tiiiiin roof, rusted." -Line from Love Shack by the B52'S
by Cakolin May 24, 2005
A girl gets pregnant like in the song Love Shack by the B-52's.
You're what?... Tin roof, rusted!
by kerry August 17, 2004