Definition
To turn a blind eye to (something); to corruptly ignore (some wrongdoing); to pretend not to have seen (something); to signal one's approval of (illicit activities) while maintaining the ability to plausibly deny knowing about it; to tolerate or tacitly encourage (inappropriate, immoral or illegal behavior).
How People Actually Use It
That moment during anal when a guy pulls out and her ass winkatchu.
"I pulled my dick out her ass and she turned and asked "did it winkatchu"??"
Source: Urban Dictionary