Oral sex, girl on dude, dude on girl, girl on girl, dude on dude
He slowly moved his head downward and started to give her the sex kiss.

I heard Molly gave Fred the Sex Kiss!

by Pax14th October 30, 2007
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The principle that a direct correlation exists between a person's kissing ability and sexual ability. E.g., the better a kisser someone is, the better a lover he or she will be.
I knew he'd be good in bed because he's such a great kisser, the Kissing-Sex Corollary must be true!
by LavenderRox January 27, 2010
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