shin rake
Raking a buddys hairy shins with the bottom of your foot just to piss 'em off. Sneakers or flip-flops provide/enhances copious hair grab-age. (thnx to Adam S)
Bro Dude: Why the hell is Mark crying!?
Bro Ham: I gave him a nice shin rake!
Bro Ham: I gave him a nice shin rake!