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!
by Demicci D. Dior-Britt October 18, 2007
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.
by Devin84 September 30, 2007
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.
by Larry Johnson October 18, 2007