A term denoting the very visible damage to dentition inevitably caused by long term crystal meth use and which is usually accompanied by unnatural weight loss/muscular wasting and an acne-mottled and/or pasty complexion. The unattractive smile typically displayed by a skelatrix.
Marcus: "Hey He Man, check out your arch rival standing there at the edge of the bar." Bob: "you mean the skinny girl over there with the big hair?" Marcus: "Yeah, that's what's her name. . . Parish Chilton . . with the methylated grill.
Bob: "You're crazy, Marcus, if you're suggesting that I'm . . ." Marcus: "Chill, Bobby Brown, I know you're already hittin' that!"
The act of thinking something through in your mind, usually a phrase or sentence, before actually saying it. This is usually advised by someone when a person starts spurting out random thoughts that make absolutely no sense, and add no value to the current conversation.
Guy 1: Sometimes for to being smarter, is for to being deader.
Guy 2: Dude, first you've got to mentalate it, then put it out.