A term used to describe the edge or brink of something. Used very often when describing where something lies and/or is near.
by cleverman November 03, 2012
in and of or around the brown eye of your butthole, the circular lemon-sucked area surrounding it is the Cusp.Literally the Cusp of your poopshoot! Usually used to degrade woman by having them commit a sexual act off of it.
"I made that bitch eat A FRIED egg off of my Cusp! Everytime I farted that white yolk flapped on the CUSP!
by Pepe305 September 08, 2006
Meaning highest point or pinnacle in traditional English language. Also used commonly by those suffering from severe, delusional, narcissistic, psychosis!
by Supras R Weak October 29, 2005
used to describe the brim of a solo cup while playing beer pong. it can also be used as a distraction word referred to the origional defination of a butthole.
by thematster1 July 23, 2008
A word defined crudely by a couple of high school students bored in AP Calculus. To cusp someone is to participate in a sexual fantasy in that persons mind.
by Some Transmitted Disease November 30, 2004