GMT 

short for "Greenwich-Methyl-Tryptamine", usually refers to rippin 4+ fat hits of a DMT vape (to break through) in the GMT +00:00 time zone. This term is rare and often only used in the Wigan/Bristol area.
Referenced by DanTDM in his new son reveal video.

DanTDM: Yo guys the diamond minecart here this is my son preston, we have just ripped the tripping penjamin and are being molested by ethereal dr trayauras, its GMT time

GMT by realtackshooter August 13, 2023

Gmt 

Gmt is an abbreviation amoung philadelphians that is short for “Got Me Tight” as in something has gotten you upset.

The teacher gmt! (Got me tight)

Gmt by Jbfinesse October 2, 2018

GMT 

Got me thinking

Bro you GMT about her.

GMT by gm8295 March 29, 2019

GMT 

Scottish time that the UK adheres to. should be scrapped by England adopting CET time.

fuck nostalgic scotland, let them keep GMT for themselves! we should modernise by adopting CET!

GMT by TV sucks November 29, 2004

GMT 

Gnash My Teeth. Deriving from Mary Shelley's Novel Frankenstein. The Character Victor Frankenstein constantly gnashes his teeth when something is wrong. Generally used when something unpleasant occurs.

Oh my God! I haven't even started! GMT!!!

GMT by 12Adv March 15, 2011

GMT 

Abbreviation that originated in Luton used to shorten the expression: 'Gay Man Ting'. This can confuse teachers when going through Geometric Sequences (which is definitely a GMT)

You going Brighton with her yea!? That's a GMT mate!

GMT by AnonymousGMT November 30, 2011

GMT 

Greek Mishimou Time

atleast 2hrs after the suggest time for greeks to meet
(aka greek maybe time for all non greeks)

Stelios: Re Koumbare, i told you to come for dinner at 6
Nikos: Then im early, its only 7:30
Stelios mutters to himself: balio GMT

GMT by GinaBambina July 30, 2008