What is Sidevag?
1.
(noun) Common abbreviation of side vagina. This condition occurs when a girl's pants are too tight and as a result her nether lips are plainly visible at distance through the fabric.
Syn: camel toe
Damn, look at that bitch, she has enough sidevag to be the Grand Canyon!
Man, I gotta get me some of her sidevag!
Girl 1: How do these pants look on me?
Girl 2: Ummm... you totally have some sidevag going on.
Girl 1: Well shit, maybe I will actually get laid tonight now!
See