it means when your parents are fornicating and you walk in on them then join in
Rodney was caught derfing (verb) and sent to jail where he derfed (verb) again
by Rodney's sock May 11, 2022
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The act of Premarital dry humping. This occurs during the courting period for the LDS religion.
Hey baby girl, lemme Derf
Jake it’s spelled derf
“Actually there is two spellings for the word”
by durfpatroller45 May 26, 2023
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a unite of measure that measures derfs
one derf is the equivalent of one derf
by lookandlineage January 1, 2021
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A person of extremely high and incomprehensible intelligence. A genius of monumental and baffling proportions.
I wish I was just a derf. Then I would know the answers to all the questions in life.
by binchaser September 2, 2008
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Synonym for taint. The space between the balls and the asshole
"She licked my derf"
by Greg T January 29, 2005
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a # between 5 & 6 sometimes used as something you say when you are mad
oh derf! or one,two,three,four,derf,five
by mabgywugewinuygcyugbayhgrvn8sb February 8, 2010
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a fag. one who is constantly a jerk and says bad things about others. sweats profusely, especially from the palms. can be made nice by offering an ultimatum.
I hate that DERF! He always talks about "that guy" that he isn't supposed to talk about.

I hate that DERF! He is so mean!

I hate that DERF! He is writing an incredibly rude and secretive novella about me.

I hate that DERF! Today, he was so annoying I had to pencil-slap him...like 25 times.
by Novella Character #1 May 21, 2008
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