When a pregnant woman goes on a rant about absolutely anything. Can be pointless and most of the time is.
John: Woah, you look a bit worse for wear!
David: Yeah, my wife went on a pregrant at me...
John: I feel your pain man, I feel your pain.
by ALAKAZAMO March 10, 2012
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Pregrant can be two things:

The scent of pregnancy or
When a pregnant woman is moody and goes on a rant about anything.
"My wife is so moody! I'm getting tired of all the pregrants."

or

Person A: "Do you like my new perfume?"
Person B: "You smell like pregnancy."
Person A: "Yeah that's why it's called Pregrant."
by Nicki Renee December 23, 2008
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