A term made up by intellectuals to label thier immense knowledge of a subject. Really, its just another word used by intellectuals so they can massage thier ego, among other things, in a group setting.
I am such a policy wonk. If you like, I can wonk you off while we talkpolicy.
When a heavy-set female (or one with large, natural breasts) is on her back, topless (mostly during sexual activity) and her tits "wonk" or droop to the sides; nipples facing in opposite directions. (left and right instead of straight up)
"Her tits are so huge and sloppy, whenever I'm on top of her fucking her, they wonk to the sides."