trog means "worthless" in many different american comics and cartoons and is very insulting. i know there's an episode of Teen Titans where StarFire is called a trog and Stitch in Lilo and Stitch is also called trog by gantu if that helps?
edit: the american comics aside i found the british version
http://whu.teamhighgrove.com/britishslang.html
trog - ugly girl
edit: the american comics aside i found the british version
http://whu.teamhighgrove.com/britishslang.html
trog - ugly girl