"inni" comes from "innit" which comes from "ain't it" which comes from "am not; are not; is not > it."
she's quite fit inni?
by BoSviLLd November 23, 2003
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a penis so small that it acually retracts into the body
Donald has an innie
by Cullen Johnson March 11, 2003
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"Aren't I" or "haven't I" - as spoken by people from London / Essex.
"Wanna go down the boozer mate?"
"Nah, I'm fucking knackered inni, gonna get an early night"

"How about going fishing at the weekend?"
"Sorry mate, gotta do some work on me motor inni"
by lawndog April 14, 2008
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When you stick your thumb up your man's ass while cupping his balls with the remaining four fingers.
Texas Jack: Shit, my after the date last night, I got Innis'd and I don't know if I liked it or hated it.
by BigJoeyBear April 2, 2019
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a penis so small that when it is in flacid state, it can not be seen by the naked eye

(similar to the innie and outie of belly-buttons)
guy 1: I hate my small dick, man

guy 2: how small?

guy 1: 3 inches

guy 2: Thats nothing! When I get out of the pool, mine's an innie!
by Tom K. February 4, 2005
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