From a lyrical marriage of the words "art" (creative or imaginative activity such as painting or poetry) and "fart" (expelling gas). The implication is that the art (or person) in question is no more than a glorified fart.
TEENAGER: Uh, yeh, dude, it's just an artsy fartsy old boot.
Every 'artsy-fartsy' person is an aspiring artist. Even if they just go to museums to stare at paintings and act like they have a true passion for it, they can't help but create their own pieces of trash. Then they show it off to the public and the public tells them they suck. So the artists always respond with "no one understands my vision" or some stupid excuse like that.
Don't confuse the phony artsy-fartsy types from the real artists. Real artists will consistently change their style of work and explore new areas. The fakes will copy off a real artist and make the same pointless work for the rest of their career. Real artists will never cheese-out.
"I don't like my teacher. He's too artsy-artsy".
Artsy-fartsy individuals tend to be unemployed and enjoy finger-painting.
An adjective describing a person who participates in the arts.
Most of the kids in the drama class are too artsy-farty for my taste.
Ken called himself a painter just because he was the artsy-fartsy one in highschool.