A greasy oil like fungal life form that is often found on one's fingers after a particularly long Lays binge. Is difficult to be rid of and is considered extremely attractive to a nerd on a nerd of the different (or same) gender (whatever floats your boat). Is generally the color of the packaging of the chips. Ends it's lifespan most often inside pockets or on jean front.
androgynous nerd: Dude that's some über sweet luck you got all over your pants wanna hook up to the ending theme of some obscure movie while they're in the washer?
Irked mother: You little shit! Get this nasty fucking plant life off of your own damn pants. You are 46 for christ sakes. Too damn old! you hear me? I'm too damn old!! buy your own bloody fungicide!