1) Meaning, roughly, "You want to?" or "Do you want to?" as in reference to sex.
2) A proposal for the hormonal alleviation of
boredom.
3) A midwestern
slang term originating in the late nineties, used to invite another person(s) to the act of generating and sharing body heat in the "traditional" sense.
4) Lamest pick-up
line ever.