The act of getting extremely wired on cocaine or crack to the point where your arms assume the T-rex position and your jaw moves furiously as if chomping.
rex grossman the quarterback for chicago was a huge choke artist, so when someone does something bad they are rexin it. when someone rexes it they usualy have choked at crunch time or just overall have had a horrible performance in the task that they were doing.
When you've had a long night out and have work in the morning.
Therefor getting no sleep and appearing at work hung over and hunched over.
Walking like a wee T-rex that could just be sick in a violent T-rex like manner anytime.
Scott: Aww man remember last sunday? I came in and was just totally T-rexxed it
I went into the toilet and was firing out both ends.
Jonny: That's fucking sick man. I saw you lurking through section A. You looked like shit.
Alan: Aww man.. Gonna be really T-Rexxing it tomorrow... TOO MUCH TONIGHT.
Nickname for cool people usually girls who are tom boys. Must be cool, headstrong, flirty and extremely sexy :) Rexxii rhymes with sexy for obvious reasons.