look up any word, like cleveland steamer:
 
1.
a face or facade that you put on when you want others to think you are happy and that your life is perfect, when in reality, you aren't.
Sonny describes a Copa as prize or award and that a copaface would be the face you have when all eyes are on you and you have to look like you are perfect and that your life is happy.
misplace your grace to chase your copaface
by kckatastrophe May 06, 2008
 
2.
"Copaface originally referred to people who were attending the Copa Cabana night club in New York. The expression was.

"Have your gal put on her Copaface and take her to the Copa for the evening".

It dates back to the 1930s and means a happy face."

...according to walt631 - Yahoo! Answers.
"Have your gal put on her Copaface and take her to the Copa for the evening".
by laxuo June 15, 2009