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2.
a dumb mistake that occurs in a sports related activity. derived from a fellow soccer player who missed the soccer ball when trying to kick it.
Kadi jerfed the ball into the net.
Katt jerfed and missed the baseball.
Kegan jerfed her serve out.
by Denver 1982 December 01, 2010
 
1.
A word to describe someone who has a shitty, downcast, condescending attitude. Derived from a combination of that one annoying co-worker named Jeff and the word jerk.
The boss is making me stay late today, and its my daughter's graduation. He is being such a "jerf".
by hujsww May 08, 2014
 
3.
One who wears a ponytail through the back of his hat.
I thought I saw a jerf today, but it was a girl.
by Bucky December 20, 2004
 
4.
To jizz on a nerf ball
I totally jerfed and threw the ball on Timmy.
by taylor fantasitctease December 25, 2008