benners noun2 •(UK, slang) Ten pounds; a £10 banknote.I'll give your gran a benners for a blowjob / Another ten for her clothes off / She's stiff like a robot / But there ain't nothing I won't want — 2007 •(UK, slang) A bag of cannabis worth £10."On the phone you said you want a scores, you think I would come all the way here for a benners you prick!!!" — 2014