meaning: (leave it out) give over, pull the other one, stop doing that right now etc...
most commonly heard from the mouths of young teenage mothers screaming obscenties at their snotty tots, or scraggy blondes imploring their chav boyfriends to not get involved in yet another fight outside the Litten Tree. generally, quite an aggressive phrase, to be used sparingly and only with authentic lahndon pronunciation. can sometimes be heard in a paranoid, questioning manner, when not sure if being wound up.
2. wayne, leave it aht, 'e ain't worf it.
3. leave it aht - you 'avin me on or wot?