Green’s Dictionary of Slang

Trev n.

[abbr. the stereotyped ‘proletarian’ name Trevor]

(UK juv.) generic for any stupid, working-class teenager.

OnLine Dict. of Playground Sl. 🌐 Trev adj. A stereotypical brain-dead teenage yob, usually wearing baggy jeans and a bomber jacket and carrying a record bag, often with a Technics logo.