From gurner, to be gurned-up, under the influence of Ecstacy.
Ha! look at Mike, he's gurned-up to his eyeballs!
από Plush Terry 5 Αύγουστος 2004
The act of dissing, hitting, or messing someone/something up.
Barry gurned the sign-out sheet at work today.
από Chazzy Daddy 1 Σεπτέμβριος 2008