Eating another person's ass to provide sexual pleasure. Usually a result of a large chemical or alcohol intake that leaves you feeling so wild and horny you just wanna do EVERYTHING.
I came home from that kegger and I was so blotto I think I performed rumpilingus on my girl.
or
On prom night, we did everything shy of rumpilingus.
4π 1π
This meaning varies for which side of the sex you are on.
Woman: To make sweet passionate love to your soul mate. Elevating each other's bodily experiences to a new level.
Man: What to do when your not watching sports.
Woman: "Let's complete each other darling. I want to caress you with all my love."
Man: "Let's make fucky"
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From homestarrunner.com, a slightly mangled form of the expression "alright!" or "all right!", usually used in jubulation.
4π 5π
being use commonly in MMORPG's and Counter - Strike. For example killing/owning someone.
nVidiafX had just p4wned diablo for extra gold.
27π 12π
Brittish Slang for a Vauxhall Cavalier
No way can your Cav keep up with my Cossie.
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