look up any word, like ratchet:
 
1.
Self description or a description of another person
Hey! It's 5:00 on Friday - my happy ass is outta here!

Hey! Get your happy ass back to work.
by Kathy Day April 30, 2008
 
2.
noun. Term of affection or disregard.
Get over here Happyass! We ain't got time for your piddledickin'around.
by Peter Jackles February 12, 2004