A usually itchy part of the body, generally the source of diarrhea and other fine substances.
Damn, my heini itches.
by my_heini_itches January 4, 2005
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The little boy at Walmart improved his view of the line by standing on his mommy's Hindenberg Heiny.
by quesondriac March 24, 2013
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What the evil scientist in Phineas and Ferb calls his burnt bottom, e.g. rear end.
Ah! My heinz heinie!
by Johnsina J. Cena March 15, 2017
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when a girl eats some hair and then poops it out but it is sticking out of her butt
I was going to fuck this girl in the butt, but she had a bad case of a stinky heiny.
by Carley Muffberg November 12, 2010
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Another name for Swine Flu. The word is derived from the fact that this particular strain of flu is the H1N1 strain, which can be read hini, or "Heinie."

Elements in the Federal Government do not want the illness identified as Swine Flu, so this is put forward as a substitute.
That guy in the aisle seat is hacking away: I hope it isn't the Heinie Flu.

I've got a hangover, but I'm going to tell HR I might have Heinie Flu 'cause I could use a few days off.
by Twinzilla April 29, 2009
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To chug a heinekin bottle to the blackline. This is a drinking game becoming popular in Both the US and Canada. The person who is farthest from the blackline loses and typically buys the round or does a shot.
At the bar yesterday everyone got wasted blacklining heinies.
by dbm7 August 28, 2008
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