give skins
To consent to sexual relations with another; primarily refers to women; see also hit (the) skins
"Now you/Shouln't even get into/Who I'm givin' skins to..." -Salt N' Pepa - "None of Your Business"
give skins
For a woman to allow her sex partner to have intercourse with her.
Now you shouldn't even get into who I'm givin' skins to, it's none of your business.
giving skins
the event of sharing skin with hopefully the opposite sex.
"me and this bitch was giving skins last night,"
Give me some skin
When two friends meet and touch their hands together in a special handshake/greeting. (one hand may be slapped down onto the others, a 'high five' action, or two fists colliding in a friendly punching action) Usually said as a command.
Hey Mark, give me some skin!