one's backside,
Also in reference to sex.
Example sentence:
My ex came by and had sex with me but then he left without visiting! I guess he was just here for a booty call!
Example sentence:
Oh my God that girl has a nice looking booty!
Boy would I like to give that hot babe a booty call!
The name of a very great butt dancer
Omg look at that booty she can rock.