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1.
A substitute or alternative expression for the abreviation 'F' from the word 'Fuck', as in "What the F?"
What the Efron is she playing at?
by scoole June 28, 2010
 
2.
of the color intermediate between green and orange in the color spectrum
Should I paint my canoe red or efron?
by ILoveLellow April 04, 2009
 
3.
A skater who typically lives outside of Philadelphia and is usually sponsored by Around Skate and Method Skate. Efrons don't like to wear shirts.
Person 1: Damn, did you see Efron Nollie big heel that hip transfer?

Person 2: Yes.
by Macaronipepperoni August 14, 2011