it could mean two things.
1# i already have my ears stretched up a qauge
once your a size you want
(im a 12mm) you leave a tunnel,plug or wood in it.
the smell is not particulary nice but bare with it.
the second thing it could mean
is a way to threaten people in a horrible way.
which i usually do. :D
and is often used here in london alot
1# "HOLY FKIN SH*T IM a 00gauge im going to get some new plugs today :)
2# SAY that to me again and ill fkin gauge your fkin eyes outyou fat b*t!h.
A useful tool I keep by the bed to punch a series of small holes in the front of you, and a large hole in the back.
If that prick gives me death threats again, I'll jag him in the face with my guage, and just to be sure, I'll probably piss all over his neck when I'm through.