One who tends to make jokes and be frickin silly all the time. This kind of person has a hard time conveying serious messages because people always assume he or she is joking.
Eric: What did you put for number 4 on the geology test?
Mary: Quartz.
Eric: I put the soft blue diamond from Titanic.
Mary: You are such a goofass!!
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.