Get away with you is a playful way of saying you do not believe somebody. Get away with you, he never said that.
It is warm rather than sharp, and it often answers a compliment as much as a story. It belongs to older and more northern speech in Britain.
1phraseget away with youA playful way of saying you do not believe somebody.
“She laughed and said get away with you.”
get away with you is a phrase.
Practised in Small Talk & Everyday Phrases