To smuggle or conceal in ones anus. To hide a foreign substance in ones rectum.
Steve totally keistered that hard boiled egg without cracking it.
by Joeseph Campbell April 1, 2006
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when you forget something is in your back pocket and you sit on it.
"To keister it"
"My phone is broke I kiestered it"
"yeah its FUBAR, I keistered it."
by jericasyn January 8, 2017
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To hide or smuggle items in ones anus
Goodman figured keistering the dildo would be just the trick to avoid detection by store security
by KC Is A Knob Gobbler April 21, 2009
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1. what you need to get up off of...

2. bulbous enclosure of fat located at the back of the bus, can be used as a floatation device in the event of an emergency.
get off your damn keister and get in the game
by ob1 March 30, 2004
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(also keester, keyster, kiester, or kister)

1. the buttocks

2. a suitcase that opens up into a display of goods

3. a rear pants pocket

4. a safe
He got shot in the keister.
by Light Joker July 22, 2005
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