jackass of all trades 

A person who is exceptionally bad at everything.

Stefan is a dork. Give him anything to do and he'll screw it up. Jackass of all trades.

jackass of all trades by Devin84 October 15, 2007

jackass of all trades 

A person who very hard to work with and a fuck-up at almost anything, but thinks he is good. Tends to be vocal but never about his own ability to seemingly always fuck things up.

My no count ass brother in-law is the biggest loser. He's just a jackass of all trades!

jackass of all trades by Demicci D. Dior-Britt November 3, 2007

jackass of all trades 

someone who is good at what he attempts but is conceited and arrogant about his own skills

Yea, Nathan is a jackass of all trades. He passed both his tests, and rubbed it in my face.

jackass of all trades by Faggle October 26, 2007

jack ass of all trades 

a person who thinks he knows it all and is not swayed by the facts.

Regardless of the truth, Larry is a jack ass of all trades.

jack ass of all trades by Larry Johnson January 4, 2009