The sexual act of fellatio after a man has dipped his penis in ice cream.
I got a disappearing frosty on the ride home from Wendys.
by News Muse December 15, 2010
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The disappearing salami is another term for banging your mom. This term is disguised as a "Magic Trick". This word is told to naive people or small children what you were doing in there mother's room.
Kid- What were you doing in my mom's room?

Strange Man- I was preforming a magic trick!

Kid- What's it called?

Strange Man- Shh its a secret...

Kid- Tell me!

Strange Man- The disappearing salami...

Mom- Arthur, come back to bed!
by MellowYello April 6, 2013
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A term commonly used when describing CT Side Saddle.
It is an optical illusion when you insert your thumb knuckle deep inside a girl's ass. Your knuckle will seem to disappear!
?: "Where'd it go?"
CT: "There it is!"
?: "Where'd it go?"
CT: "There it is! The disappearing knuckle!"
by Speed Racer 19 April 25, 2010
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A progressive wasting syndrome of the gluteal muscles most commonly seen in aging white men, considered to be a combined result of both advanced age and disuse atrophy.
Yeah, you bet this Disappearing Ass Syndrome messes with my motorcycle ride.
by Dr Bunnygirl January 23, 2020
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what my dad did
Dad: Pumpkin can I show you a trick?!

Kid: YES! YES! YES

Dad: Okay! It's called the disappearing act! Go to bed and look for me tomorrow morning!
*disappears*

Kid: *now has their own family and still can't find their dad*
by youisdank November 28, 2018
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the act of going to a lower gear while driving a manual car and flogging the shit out of it to get away from somebody or something
person 1: almost got pulled up today
person 2: what'd you do?
person 1: i decided to drop a gear and disappear, pigs didnt have a chance
by QFRSSaddle May 27, 2022
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