To knock one's male reproductive organ upon a door or window of a female's homestead in order to gain said female's attention and alert the female to the highly probable consensual intercourse/rape that will occur shortly.
"Bro that slampiece was a total cock-blocking skank, how did you get her to put out?" ...Two words... Keeyock Neeyock
Doing something only a person like Bin Laden, Hitler, Scooby-Doo and Joker would do in a situation where no context was given or indeed necessary for the situation.
Shremlock - Man that dude pulled his cock out of nowhere
MemerOfTime- He went for it. Now that is Doing A Keetan.