Someone who completely lacks self awareness, is deluded and has an absurdopinion of themself
"Fairplay I'm the best, arm wrestler, deal maker, straight up genius to walk the earth."
Wtf you on about you g tard, chillisauce ripped you right off you bell
Someone who clearly likes to over indulge in the party drug GHB GBH. When taking in excess the user often experiences incontrollable body movements, makes random noises and yelling offensive obsenities at total strangers as if they have severe tourettes syndrome.
Dan: Hey, looks like Jimmy's over done it on the GHB again.
Megan: Clearly, I can see his manky arms flapping about like that retard window licker from bach in school.
Dan: He's with out a doubt the biggest G-tard i've ever met!
Someone who tries to act like a gangsta because they think it's cool, but ends up looking like a total retard.
Lame internet troll: Lil Wayne iz da bez raper in all ov timez mane, hez juz sooo gud!
Me: No he's not, Rakim is. Lil Wayne's lyrics sucks and he raps about stupid topics.
Lame internet troll: Yo fuck all doz big word rapperz mane, Lil Wayne iz betta den all ov doz over rated washed up has-beens who whine about there lifes!
Me: Why do you spell so bad?
Lame internet troll: Cauze speeling iz 4 loozers! I'm such a gangsta, I listenz two Lil Wayne, I where myz hat two da side, dat meanz Im a gangsta!
Me: No, it means you're a retard. You're a g-tard!