by vmx February 25, 2009

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.
by Rainbowunicornj December 20, 2014

A grunion is a male who hangs out in a public place-such as a beach or park-and waits for another male so they may engage in sexual activity.
While at the beach, don't let the kids go to the bathroom alone because there may be a grunion in there waiting for man-love.
by J. Morris June 4, 2005

Man, I drank three 40's of Old English last night. You should've seen the grunion I had this morning! It was foul!
by Jason January 1, 2004

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
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
Guy 2: Nah m8
Guy 1: Lose some weight before you hug me, man
by grunnery4eva January 25, 2014

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.
by Grumpet June 12, 2009

by goldmund September 28, 2012
