Headspinner (n): a cute girl of a petite stature that you can toss in midair and do tricks with when having sex; just make sure not to throw the bitch outta the window because they are so damn small and fragile
Guy 1: "Dude, why does Jessica have a huge bump on her head?"
Guy 2: "Man, she's a headspinner, I couldn't resist making that bitch fly last night"
Eric is 6'3" and he's going out with a 5'1" headspinner
Girl 1: "Oh my god! Did you hear!? Dana got thrown outta a window last night!"
Girl 2: "That's Eric's dumbass fault, he should have be more gentle when he was banging her! She's a headspinner for god sakes!"