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 December 01, 2004
The anti-thesis of cusp. To Vector someone/or something, means to have a sexual fantasy with said object in your mind. Often involving whipped cream.
I vectored your mom during AP Calculus. (I had a sexual fantasy with your mom in my mind during AP Calculus)
by Some Transmitted Disease December 01, 2004