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
Most often used by anime fans. One could guess this is because the characters from the popular manga/anime "Ouran High School Host Club," particularly Honey, use the phrase.
I wouldnt doubt that other manga/anime characters use the phrase as well.