Twonged: To be or to look drunk or wrecked on drugs.
Twong: To be a druggy or alcholic or just someone who generally does alot of stupid wreckless things.
Person 1: Fucking hell mate jay looks Twonged?
Person 2: Aye thats cos he's had 5 lines of plant and a mazzy you daft en.
Person 1: What a Twong like.