Grunion (noun): a slut. Terminology inspired by a type of fish that reproduces by getting jizzed on in a hole in the sand.
Guy 1: "She's kinda cute."
Guy 2: "Don't do it bro. That girl is a grunion."
by tspam752 September 27, 2017
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When a male's member or penis is wider then long. A deformed rarity of sorts that causes odd reactions.
Ibe's grunion made the girl laugh her ass off. This here grunion'll make you squirm bitch.
by Raphael the camel November 20, 2005
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The term grunions is used to describe ground bunions. These can be used as jam, glue, and toothpaste. They are most popular with the hooded figures that openly steal babies. The one under the slide in the elementary school playground does not care for them, however.
"Yum, that grunion paste really hit the spot!"
by Rainbowunicornj December 20, 2014
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Usually a fat male, resembling a greasy onion.

Characteristics of a grunion:
- always sweaty
- red in the face
- unpleasant to the touch
- lacks self awareness
Guy 1: Conor you're such a fucking grunion

Guy 2: Nah m8

Guy 1: Lose some weight before you hug me, man
by grunnery4eva January 24, 2014
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A Grunion can be phrased to mean both an individual or the specific are of an indivual usually classified as being the unit of space between the fudge-cunt and cunt or if applied to a male between the fudge-cunt and sack.
Have you washed your grunion today?
by Grumpet June 12, 2009
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Ok I don't know what all these other definitions are about, but a true grunion is a half-erect penis.
Bob has erectile dysfunction, whenever he doesn't take his medication he gets a grunion.
by Paul Grunion August 26, 2007
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A little bit of something, the last parts of a whole, almost gone.
Sabrina "hey Nusun you got any herb?"
Nusun " yeah but i am down to the grunions, just flakes and thc."
sabrina" damn"
by xylena June 26, 2006
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