Yark, like 'fuck' can be used as any part of speech. The true definition of Yark will not be revealed, as only a select four know the actual definition.
As an verb: I'm gonna yark when I get home.
Can you please yark me now.
As an adjective: Your extreme degree of yark makes me hot.
As a noun: My favorite toy is yark.
As an adverb: My sllab is so itchy that its beyond the yarky mark.
It is a noise that one makes by putting air in their cheeks. Put the air in your cheeks, and take your and and move it side to side rapidly on your cheek to sound like a chipmunk.
Person 1: did you hear that noise?
Person 2: yeah, that kid was just yarking. (Present tense of yark)
Person 1: oh ok
One who believes that a certain person is a short, annoying little mexican that talks way to much about biking and is a little fag, who has both sexual organs
Ray Galves, Opra, Kevin Taylor, and Jackson Edsfgsdfgdsfg(no one knows how to spell it) and Jason Sher, Yark