When a very large man or woman has a belly that hangs over their crotch, and it splits from the seam of their pants causing it to look like a heinie.
That woman shouldn't have worn those small sweatpants, she has a major heinie belly.
by Gobble Hoff February 9, 2010
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flirtatious way to talk about anal sex, refering to anal sex in a joking or serious manner
Hey what you need right now is some heiny tatterings to cheer you up!
by Scubagod October 26, 2006
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What someone wakes up with after a long day or night drinking a lot of heineken.
I woke up today with the biggest heini hangi.
by GQ6 January 3, 2009
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diarrhea. From heiny buttocks, goop messy mass and soup liquid
I was on the toilet all day with heiny goop soup.

Those baked beans look like heiny good soup.

I called in sick today cause I had heiny good soup.
by Master Bob October 13, 2007
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He is mah boi
I Love you Heini #fullhomo
by Person Nr.55 October 16, 2018
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