When a girl you have fucked rolls over onto the wet spot of the bed and gets stuck to the sheets, preferably on her back.

glue traps for flys ( strips of sticky brown paper )

A funny prank to play at a party or office restroom.
Take a shit, wipe your ass with the toilet paper without ripping it off, then CAREFULLY roll it back up. Flies will swarm to it. (effectively your conventional fly paper)

Rolling then smoking a joint so you get lifted and fly.

When a group of guys ejaculates on a bed and throws a passed out drunk chick on the bed and upon waking, the chick is stuck to the bed.

a used tampon hanging from a tac in the ceiling

To be as cool as money itself, not necessarily to be assigned a monetary value (prositution). But to be as popular and as desireable.