When you have bumps that hurt like pimples (but not pimples), from lickin to much of that tainted goodness.
Michael: my mouth hurts bro
Joe: why?
Michael: I have these bumps on the inside of my mouth, i thinks there pimples?
Joe: nah... you got mouthaghitis (mouth herpes) bro
Michael: what?
Joe: it's when you have bumps on the in side of your mouth, from lickin that tainted goodness.
Michael: oh...gross man.