A pejorative directed at a parent or parents that one has an estranged relationship with. It was popularized by the South Park episode "The Wacky Molestation Adventure".
My birth giver called to bitch at me last night, I just hung up on her.
by Hade E Alder May 14, 2014
A complex wrestling move invented by Jimmy Dean that doubles-over as a great excuse to put a girl in a very nice position. One day to hopefully used during sex.
Dude Jeremy, she says she's never seen the birth giver...
by Jimmee Dean May 01, 2005