by Zachary Max Zimmerman January 17, 2009
Amazing, Happy, awesome.
If you spell it backwards it spells Fred.
A charecter on fred the movie.
The number between 5 and 6!
If you spell it backwards it spells Fred.
A charecter on fred the movie.
The number between 5 and 6!
I feel derf today.
Dude: Hey fred!
Other dude: Yo it's Derf.
Freds twin in the movie Derf.
Kid: 5, derf, 6, 7.....
Dude: Hey fred!
Other dude: Yo it's Derf.
Freds twin in the movie Derf.
Kid: 5, derf, 6, 7.....
by scenequeen11 December 31, 2011
verb: to do something stupid, immature. to lack rational judgment.
noun: the space underneath a man's scrotum before his anus; a normal person minus reason and accountability.
noun: the space underneath a man's scrotum before his anus; a normal person minus reason and accountability.
I can't believe I stapled my scrotum to my chair again. I really pulled a derf.
Dude, you only worked 3 hours today, don't pull a derf.
Dude, you only worked 3 hours today, don't pull a derf.
by Derfilicious December 16, 2007
by Emily May 7, 2003
by blanatan July 17, 2006
More fondly refered to as "derf" or "derf-derf" he is the most idiotic and worthless kid in my psych class. He laughs at everything you say to him which more often than not is an insult, usually referring to his step-mom who has fake titays.
by Jeff February 1, 2005
noun: An inept or foolish person, someone who doesn't use their head. On the PLATO computer system of the 1970s (which in many ways foreshadowed the Internet), a derf was one who left their computer terminal without logging out.
verb: On PLATO, a prank played on a derf. Sending out unpleasant or embarrassing messages under the handle (or "signon") of a person who'd forgotten to log out. Or ruining programs they've been working on.
verb: On PLATO, a prank played on a derf. Sending out unpleasant or embarrassing messages under the handle (or "signon") of a person who'd forgotten to log out. Or ruining programs they've been working on.
noun: Wow, "Melvin of MIT" is a real derf! Look, he just walked out and left his terminal logged in.
verb: Hey Melvin, I just tried to run one of your programs and it looks like somebody got into it and put in a bunch of porn. Looks like you got derfed!
verb: Hey Melvin, I just tried to run one of your programs and it looks like somebody got into it and put in a bunch of porn. Looks like you got derfed!
by Jay Young March 8, 2008