Usually meaning twins, but can mean any number of siblings born at the same time. Play on words of "roommate".
Person 1: Hey, Dave and Doug look similar. Are they cousins?
Person 2: Nah, they're just womb-mates.
Person 2: Nah, they're just womb-mates.
by Limpfish June 12, 2008
The act of getting high through government funded or assistance programs. This includes anything from prescription drugs from assistance programs, to whip-it's with foodstamps.
by limpfish July 03, 2011