Because HE is the one who knocks.
When she takes out the tampon the cotton is already picked
Mine is: What is the white stuff in bird poop? (That is also bird poop.) edit: til you can't edit the topic to fix spelling errors...
He's never met a woman he hasn't knocked out.
It's 2:00 in the morning. Her: I don't know. Do burglars knock Me: It depends on how they were raised...
Well it's not Saving Jane, that's for sure.
Because it was on the house.
A Jehovah's Witness.
Nobody asks, 'who's there ' when you try and tell a knock knock joke.