Comes from latin word Troglodites, meaning cave man. Derogotory name for Native Americans, popular in Flagstaff, AZ to describe Navajos. TROG is also an accronym "Total Reliance on Government".
Goddammit! Those Trogs never leave a tip and leave a huge mess!!
Hey did you catch last month's issue of atomic?
Hey, did you catch that thread in atomic?