These are the people on Facebook who like to bitch about poverty, war, domestic violence, child abuse, rape, bank robberies, starving children in Africa, liberals/conservatives, Democrats/Republicans, alcohol, drugs, pedophiles, computer hackers, the drug dealer next door, pornography, music, Devil-worshipers, endangered animals, racist jokes, holocaust jokes, religion jokes, political (in)correctness, religion (or lack thereof), animal rights, oppressive work conditions, sexual harassment, or how much their life sucks.

Like most idealists, Facebook Idealists hardly, if ever, lift a finger to combat the perceived evils in the world. They complain because they can't be bothered with finding, or lack the intellectual capacity to find real world solutions to humanities, or even their own, problems. In essence, they're whiny little idiots.
Guy 1: Look at this chick on Facebook saying "I wish solders didnt have to goes to warz, and that AIDS wasnt real!!!!! :(:(:(:("

Girl 1: Wow what a Facebook Idealist.

Guy 2: We all know one

Girl 2: And hate one.
by kbizz42 June 30, 2011
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An artist or actor who always use the same crap about peace, love, ecology etc.in songs or movies to make conscience, but doesn't practices what he preaches. He has a rich lifestyle, divorced many times, and consumes products and services without thinking in global warming like everyone else.
I'm sick of people who thinks John Lennon is an inspiration, he got rich selling records like every artist and had a shit personal life. He was just a Champagne Idealist who brainwashed the people with the "peace and love I'll save the world" shit.
by Alan HerIb August 31, 2007
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Someone who believes academics is more important than athletics on a college campus.
The small school was run by DIII Idealists so they would never win a national championship.

National Powerhouses make millions in revenue from sports, while the DIII Idealist schools are happy just getting good grades.
by MattyFran September 1, 2011
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A person who just graduated high school/college student who tries to act like an adult, but still behaves like a high-schooler. They usually tend to use large words, pretending to have a large vocabulary because they think that it makes them look smart and impressive. Tend to think they know everything. (hint-the whole cast of "Real World")
"What, is Josh still trippin because he is in his Post-Adolescent-Idealistic Phase?"
-Clueless
by Me Ahna July 6, 2005
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The time after the pointless teen years in which a young person develops what are called "standards" and "morals." It is a time in which eyes are opened and "The Truth" suddenly becomes clear.

Usually beginning when one enters college, said young person reads deep literature, searches for the meaning of life, and listens to college radio, all the while secretly becoming even more confused than when he/she was an lame 16 year old.

The Post-Adolescent Idealistic Phase usually entails naive 18-20something year olds upholding hopeful, yet unrealistic morals. Often, utopian dreams can be confused for "The Truth."

After the phase has ended, the young person must beware becoming highly hypocritical and/or jaded once life has slapped them around a bit.
"Is Josh giving you shit because he going through his post-adolescent idealistic phase?"
Dionne on Josh, "Clueless"
by Get the quote right dammit August 23, 2008
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The process of ruminating on what one should have done or said in an interaction that just transpired or transpired earlier. During PIIR the individual typically undergoes feelings of self-abuse, anger, and/or embarrassment.
"Dude, I could have earned way more brownie points with Paige had I just tried to be more flirty. Now she probably thinks I'm a wank or thinks I’m not interested in her. Wait. Shit, SHIT! I gotta snap out of this PIIR."
"You're not a wank. And what's PIIR?"
"Post-Interaction Idealistic Rumination."
"That's quite a mouthful."
"Indeed."

or:

"I just agreed to go to church every Sunday morning with my neighbor. What the shit was I thinking?! I should have told him I'm busy literally every Sunday morning! #Fuckmylife."
by Richard Flavor October 5, 2014
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