abbreviation of "Tank Thrash The Gash" a punk rocker
saying, usually when something good
has happened. unknown what it stands for, who started it, if its in a song or not...
: yeah you want to come
to this party, there will be hot women and lots of free beer
: Tank Thrash The Gash!!
: (for not apparent reason) Tank Thrash! (while driving in their car listening
to good punk and in the company of mates)