Phrase originating in Britain that is uttered by
ravers/binge-drinkers when they are. Usually shouted repeatedly whilst loud
electronica/techno/dance/rave music is
blaring, and whilst the speaker is raving/dancing
"
LET'S GO FUCKING MENTAL, LET'S GO FUCKING MENTAL, LET'S GO FUCKING MENTAAAAAAL!!!"
*smashes
glass over own head
rendering himself unconscious*