Any thrill which causes adolescent excitement is a cheapy. You "get your cheapies" by becoming embarrassingly over-excited at any mention of sex, violence, snuff movies, girls pants etc.
Used pejoratively as a self-regulating disciplinary mechanism amongst groups of teenage boys:
"Eugh! Smiffy's getting his cheapies"
cheapies
written by an*nym*us u*e*, approved by Log