DERF

Doesn't ever Research Facts

Noun: A failed attempt to satirize an idea due to lack of comprehending said idea.

Verb: Failing an attempt to satirize an idea due to lack of comprehending said idea.

Person-describing noun: A person who's failed an attempt to satirize an idea due to lack of comprehending said idea.
This stupid Facebook repost from FOX News is such a DERF.

Some crazy door-to-door preacher came over and DERFed for ten minutes about how bananas prove Creationism.

He says I'm going to jail for cutting off a mattress tag. What a DERF!
by Logic-Bomb July 25, 2014
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Derf

A bold and corageous urban warrior. A fierce enemy.
We should all strive to be a Derf.
by Pedroumbrella October 18, 2007
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Derf

the act of gettin fucked up, or describing that someone is fucked up or got fucked up
im tryna to get derfed tonight

did u see that nigga fall? he got derfed.

damn u lost 10-0, you got derfed
by DerfyMcDerf April 22, 2009
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Derf

A wonderful humourous individual. Usually an adult. The kind who would make an excellent coach, parent etc.
We should be so lucky as to have him as a coach, he's a derf.
by rellim April 07, 2005
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DERF

Acronym for "Drag Exclusionary Radical Feminist". A person who espouses to be a feminist but who does not believe that men dressed in Drag should be included in the fight for equality, especially in employment or salary parity. This rabid exclusion of an entire class of women is usually a belief based on misplaced uptight morality.
by a-a-a-a-ron January 10, 2019
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Derf

1. To get a stamp on your completed homework.
2. To act crazy and/or insane while teaching or just talking in general.
3. To yell at one's smart board.
4. To flick off one's class.

5. To stand on a desk to feel if the air is working.
6. To teach "shit"
7. To throw markers at ghetto kids.
Person A: "Yes I derfed my homework!"
Person B: "Ugh, lucky, I skipped one problem."

Teacher: "You guys forgot your calculators?!!!!" "YOU'RE ALL LOSERS!!!!!!"

Teacher: (to smart board) "WHY ISN'T THIS THING WORKING?!"

Students: (to teacher): "Happy Birthday!"
Teacher: *flicks off class and walks out*
by calculusstudent November 23, 2012
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Derf

The fake number that that idiot in iCarly thought was real.
five, derf, six
by TheCrimsonMystery October 20, 2015
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