finger my beef

To get in somebody else's problem, interrupt in some way. Usually derogatory, because unless you are asked, you shouldn't butt in.

1: "Yeah, so I'm having issues with..."
2: "What? What?! Tell me, I know what to do!"
1: "Dude. Don't finger my beef. Go kill yourself or something."

by Kellsbells November 2, 2005