to go out of control or mental, especially when drunk. a popular symptom is playing pes with your mobile phone instead of a controller.
lets go fucking lewy!
By Brandea
Let's Go Fucking Mental
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