1. An ignorant person whos top priorities are their drug intake, american football, eating at mcdonalds, driving their camaro/mustang and trying to pick up under aged girls. they cannot hold a conversation because they burnt out their last few brain cells eating handfuls of pills (they dont know what was in them, they just eat them) and drinking cases of shit beer (ie, bud or miller lite.) they are violent and frequent run of the mill night clubs.
2. See meathead
lunchable: "sandwich yo!"
humanoid: "uhm what would you like in your sandwhich?"
humanoid: "ok, what type of bread would you like?"
humanoid: "ok, here's your meat on meat sandwich.."