To have a quick cheeky peek at a naked women/man
James - "Sarah has a bangin' bod mate"
Max - " I know, I had a cheeky peek when she was in the shower"
James - " hory sheet take a picture you shit or I'll spread it"
Max - " NO that's called blackmail u cheeky cunt"
James - " sorry I'll just have a cheeky peek myself m9, then let's go for a cheeky nandos with the lads"