'It's the weekend!' Jean exclaimed, 'Let's Fucking Go!" he howled before engaging in prolonged, egregious substance abuse.
by lyricalenthusiast June 11, 2014
an expression used by aot fandom a day before the last season episode released
Erwin: My soldiers, fight!! My soldiers, scream!! MY SOLDIERS, LET'S FUCKING GO
by Ash is sleeping December 6, 2020
a chant used by aot fandom when they're excited or in denial by the fact that their fav characters are gonna die

A: Are yall ready to see ***** die?

B: No, but LET'S FUCKING GO
Erwin: my soldiers, fight!! my soldiers, scream. MY SOLDIERS, LET'S FUCKING GO
by Ash is sleeping December 6, 2020
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 adamrome86 October 26, 2007
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*
by Scekhcsy Foxmonk August 12, 2010