Getting pregnant and then losing the baby or fetus due to miscarriage, stillbirth, or infant death. Also known as KuKd.
by uzbekmurf July 12, 2008
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A dirty way of saying surprise butt-sex.
1.Waffles: Hey Dwarfo, I'm gonna cum to your house and knock knock on the back door. If you don't answer, I'm gonna bang bang!

Dwarfo: Yeep! I hope it isn't too surprise!

2. What rapists say to little kids when they are gonna butt-rape them.
by Dr. Dirty August 15, 2008
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When you are urinating when suddenly you need to violently shit. Then, you stop pissing and turn around, firmly pressing your puckered ass onto the seat and unloading an ungodly amount of assham into that poor, poor toilet.
Larry: "Damn, I thought you were taking a leak!"

Jim: "Yeah, sorry. I had a Knock, Knock Motherfucker moment."

Larry: "A what now?"
by The mystery shitter April 28, 2022
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the blow-thrower, independent flower magical emerald holder
Average loser: *doesn't repay debts
government: knock knock it's knuckles
by Immortalgodofgaming February 22, 2022
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The sudden urge to take a poo
I just finished my coffee and I’m getting a knock knock so I’m gonna head to the bathroom
by Tuono-rider May 20, 2019
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A term used to make a joke that starts out as someone knocking on the door.
Dingbat: Knock knock.
Scallywag: Who’s there?
Dingbat: Mike.
Scallywag: Mike who?
Dingbat: Oxmaul.
Scallywag: I don’t get it. Mike Oxmaul?
Dingbat: I didn’t know that. HA HA!
by Likewater August 15, 2021
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