speak to the hand
Ⅰ ⇨ See: TALK TO THE HAND
Ⅱ ⇨ talk to the hand; tell it to the hand (because the face isn't listening); speak to the hand
used for expressing a complete lack of interest in what is being said. Usually followed with 'because the face don't give a damn' or something in a similar vein, accompanied by a gesture of a raised hand, palm facing the other person US, 1995