Knock knock open up!
A Knock at the Door
Go ahead, knock yourself out
Knock First!
Knock Knock
knock on wood
A Knock at the Door
Knock knock... who's there? TITTIES!
Knock, Knock, pt. 2
*Knock knock* ... *Echos*
I Wanna Knock You Up, SIS
Knock-knock
holdthemoan - Knock knock.
knock knock, he wants out