"Damn, Steve is a yellow finger and a brown finger."
"Damn, Paul needs to go see his gastroenterologist. The freak ruined the flowery smell in the bathroom with his incessant farting and fails to wash his brown fingers post defacation."
brownfingers tend to be hobo's or street tramps
the ultimate brown finger is a person who's name end's with brown/e
-oh that's rory
he's a right brown finger