derf

it means when your parents are fornicating and you walk in on them and join in

Jason was caught derfing (verb) and sent to jail where he derfed (verb) again

by Rodney's sock May 11, 2022

Shane Hyatt is such a derf
thats a derfy idea (plural)

by ur mummma October 20, 2008

Synonymous with a skilled ninja. Often used to describe a quick and fierce enemy who is extremely agile and deadly.

Person #1: There's that girl Sarah, lets go beat er' up.
Person #2: Fuck that! She's a derf! Im leaving her alone.

by Slimescree January 07, 2008

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

a unite of measure that measures derfs

one derf is the equivalent of one derf

by lookandlineage December 31, 2020

"She licked my derf"

by Greg T January 29, 2005

a # between 5 & 6 sometimes used as something you say when you are mad

oh derf! or one,two,three,four,derf,five