The British aren't being rude when they ask to bum a fag in the queue for the loo, but they might be if they ask to snog. To avoid misunderstandings, here is some British slang to add to your repertoire: To snog is to kiss; a fag is a cigarette; the loo is the restroom; bollocks means "that's wrong," queuing means to form a line, and quid is slang for pounds, or money. However, for the most part, Americans find the city accessible because of London's official English language.