it depends on whether it's on purpose. if not, school 'em. if so, just avoid 'em. if you can't avoid 'em, sit down and think seriously about how your life has led to this impasse and what you can do to change it. :P
Bring a wingman sir. Next!
Fill their meat wallet
Buy them a sandwich
Cut off your ****. Then it is unblockable. Lol.