Leak Wink

Whilst going for a piss, making direct eye contact with another person, and winking at them.

"Did you just leak wink at me?"

Leak Wink

The act of winking at the person in the next urinal or nearest to you whilst urinating.

1)
Baines: Hey I'm going to take a leak.
Will: I'm going to join you and leak wink you, you bastard.

2)
Jonny: Why did you hit Will?
Baines: He leak winked me over there, the creep.