Someone who knocks on your door for no apparent reason.
Veronica: A lady with a baby in a buggy. Mrs Brown: Tell her to push off. "
Both can knock you out at a party.
To get to your house... Knock, knock. Who's there? The chicken.
A bi-polar bear.
He heard there was chicken on the other side!
They don't like any witnesses.
knock knock knock... excuse me sir, but do you have a few minutes to discuss nothing
A Jehovah's Witness.
Someone knocking at your door for no apparent reason.
Someone who knocks on your door at 6 a.m. for no reason.
Burn a question mark on their front lawn.