A name given to someone who is being very naughty and cheeky (especially in a flirtatious manner) and deserves a good cock spanking.
Charlotte: I'm hungry, want to get something to eat?
Shawn: Well there is no food in the fridge darling but I am wearing some edible underpants *wink* (?)
Charlotte: (laughs) Oh you're such a cockspank Shawn!
Using his (preferably hefty) erect penis, a man whacks his partner's ass and pussy repeatedly and with gusto, preferably producing a sticky wet slapping sound and pink marks.
She likes it naughty, raw and a little rough, and she moaned as she took a hearty cockspanking on her knees after drenchingmy cock.