Weird Ass Mother Fuckers. People who enjoy making fools out of themselves and don't give a fuck about what other people a think of them. They do the weirdest shit you'll ever see. If you hang out with a WAMF you're bound to have a fucking awesome night.
"Dude why the fuck did you just shit in that lady's fountain?"
"Because i'm a WAMF."
"That girl is psycho."
"Nah man, she's just a WAMF."