Top definition
When you fuck a bish so nasty you stop having sex for a year to make sure you come back strong. Also known as Rock Bottom Bitch, or RBB for short.
I was so horny that I took the ugliest chick in the club home and I hit bish bottom.
by bucknastee411 July 05, 2015
Get the mug
Get a Bish Bottom mug for your buddy Manley.