Acronym for: Oh my god that/this is such a fucking goodtrack
Expresses one's fond feelings for a song being played. Often used while texting, chatting online, IM'ing or engaging in any other form of electronic communication.
Term was originally coined in the NSBRADIO.CO.UK chatroom in 2012
user1: Have you heard this song before? It's massivetunage!
user2: OMGTISAFGT!
And dying in yo' bed many years from now, would ya be willing ta trade all da days from dis here day ta dat fo' one chance, just one chance, ta come back here as young men an' tell our enemies dat dey may take our lives but dey will never take our freedom ... YUB NUB!