Shell Knocking

When your girlfriend isn't around, so you decide to have sex with a turtle.
"Did you hear about Dave? He went Shell Knocking since Cathy's out of town!"
by TRSnakeEyes March 02, 2015
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Stuffed Shell

When a female has a block of cheese in their vagina
I gave my girl a stuffed shell. We had to go American because sharp leaves a bad taste in my mouth.
by FrogsFly April 28, 2022
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shell shield

When you get a triple green shell or red shell in Mario Kart and keep it as a shield to avoid other shells. Unfortunately, shell shields are busted by the 'naners.

Shells are used to smack people around.
I pulled out a shell shield. Wario, Ludwig, and Rosalina all went down. Then I just sped ahead to first.
by A Guy Harmonizer (FIGHT ME) February 25, 2017
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Shells Magliarro

A delicious pasta dish comprised of pasta shells, a tomato sauce, herbs, and either chicken or pork.

Definitely not a person's name. Nope. Never.
I can't wait to eat at Mare tonight. I'm getting the Shells Magliarro.
by Illigitimmigrantkicker March 30, 2017
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Shell shocked

When a cold gust of wind hits a man and his penis retreats back into its body, such as a turtle when it gets scared.
“So did you go all the way with Sally?”
“Nah I got shell shocked before I walked in”.
by Lil Lep January 25, 2018
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half shelled

The most selfish person around. He hides when he's getting attacked and attacks other people for fun. Hence the term half shell.
Man, Cody is such a half shelled bitch. He told that depressed kid to die and when he got all the hate he played victim.
by electrocaine September 03, 2018
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Clam Shelling

A medical procedure during which you put on a 15 lb lead cannonball shape module around your testicles to protect them from irradiation. While the procedure is quite cold and difficult to not pinch yourself, it is not that hard as long as you are not attempting to put your penis inside the module.
Patient: "Gahhhhhhhhhh. Phew, Nurse I swear to god this is so difficult, but I have finally completed the Clam Shelling!"

Nurse: “You...uh - you don’t …. uh … You don’t actually have to put your penis in it?”
by Fearfulcat October 05, 2015
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