give (one) some skin
slang To slap hands with one in an amicable fashion; to give one five. Hey man, what's up? Give me some skin!
give someone some skin
Sl. [for two people] to touch two hands together in a special greeting, like a handshake. (One hand may be slapped down on top of the other, or they may be slapped together palm to palm with the arms held vertically. Usually said as a command.) Hey, Bob, give me some skin! Come over here, you guys. I want you to meet my brother and give him some skin!