What is Biv?
1.
when people are in the water they say biv if there is a booger in view
hey buddy, you got a biv hanging loose!
2.
In a gay relationship, a Biv is the one in the relationship who would take the bottom half in bed. Taken from the ROY G BIV acronym used when describing rainbows.
Lorne is totally the Biv in that relationship. He's so fem, you know Skyler rides that nightly.
See
3.
A shortened name or code word for a vibrator. Used when you do not want anyone to know that you plan to use a vibrator on or with your partner, be it male or female. Derived by taking the first 3 letters, V, I and B an flipping them around.
Hey Marcy, whip out Biv right now and lets ding.