Anything. It can range from the gross and insulting (I pooned your girlfriend's boon) to the mundane (My car was dirty so I pooned its boon).
"Billy was being a bitch, so I pooned his boon."

"Billy's mom is hot, so I pooned her boon. Twice."

"Billy's dog Blindy is cute, so I pooned its boon."

"I don't appreciate Billy's attitude, so I pooned his boon when he was sleeping. That taught him a lesson."

"Billy, if you don't take that dildo out of your ass right now I'll poon your boon until you're forty!"

"Remember when I pooned the boon all over Billy's rug? That was quite a weekend!"

"Billy's mom will poon your boon for a nickle!"

"Green Day, the greatest band ever, totally poons the boon. Billy, being a stuipd little bitch, does not."

"Billy sucks. Poon the boon!"
by El Gambito December 15, 2004
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Doing anything ever, without the limits of time and space. Pooning the boon is pooning the boon; it can be defined as doing absolutely anything. If you washed your car, you can say you "pooned your car's boon".
Dude, I pooned your boon in Starcraft yesterday.

The girl was all like "Poon my boon!" and I was all, "Okay."

Then the guy pulled out a gun and pooned at my boon! Holy crap!
by Domino August 19, 2004
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