Definitions by The Abominable Dave

Roperface 

face one makes in the act of dissing and then turning their head 90 degrees to mug at an invisible camera, while making a ridiculous face; often follows a remark to a man's wife (customarily made by the husband)

Mr. Roper from Three's Company would often insult his wife Helen, then turn towards the camera and make a Roperface.

Roperface by The Abominable Dave May 9, 2003