The smearing of one’s own excrement onto the top lip of another.
Mark cupped a fart and made me smell it, so later, when he wasn’t looking, I shoved a finger up my arse and gave him a great looking bobtash.
To look at pictures of pussy
on the internet.
John: "Hey man, I'm headed out, you wanna come?"
Mike: "No thanks dude, I'm poonsurfing but can you pick me up some kleenex while you're out?"
A large gathering of hot women.
On entering the club Mike stopped and took in the view.
John: "Hey man, lets get to the bar."
Mike: "In a minute dude, i'm just taking in the poonvista"