"Tired" is an excuse that many people use when they look like crap. Some are legitimately tired, but the amount that are using it as an honest excuse are dwindling. People also use Tiredness when they are annoyed but don't want to seem like total jackasses.

(v.) Quoting pulp fiction or Full Metal Jacket.

means you are High (usually used when your eyes are red.. makes sence )

The state of being extremely hungover and unable to think or do any physical activity other than reaching to get water.

Someone who acts annoying.

when someone is off the muk and gets really really high

A girl who is trying to get you into bed might say this.