Wiktionary
you lot
pron. (context idiomatic colloquial chiefly UK English) you (qualifier: plural).
Usage examples of "you lot".
Mixed in with you lot and you and the Posleen would end up accomplishing what Hitler never could, the extinction of the Jewish people as we all interbred.
Last time you lot stayed under my roof you left your fleas behind.
If the Others ever come for us, I pray they have archers, because you lot are fit for nothing more than arrow fodder.