Trogo - a shortened word for troglodyte. Used in lieu of idiot, stupid or mong. Particularly prominent in use by students at Exeter and Durham.
Jheez Harry, stop being a fucking trogo
A shortened version of the word "troglodyte", meaning a person who is deliberately ignorant.
"Dalton Dalton is a trogo" or "That short man dalton stole another person's word and claimed he made it himself, he's such a trogo"