Dafy is the quality of something being a dope ass mothafucka (daf). This can apply to wide range of nouns and objects. For instance, the President, a car, or even an idea for an invention can be "dafy".
"We went to the mall looking for fly swag and came out with some seriously dafy shit."
Potential female sex partner: "Wow, see Aymeric over there; he's dafy!"
P. Diddy: "Oh this song right here is DAFY!"
Potential female sex partner: "Wow, see Aymeric over there; he's dafy!"
P. Diddy: "Oh this song right here is DAFY!"
by AVJesus November 29, 2011
by grouty May 8, 2014
The highest possible level of high/drunkeness a person can be in. Must include a late night black out, and having sex with someone you would never consider ever fucking in your life.
"did you see Jeff last night?"
-"yeah, he was soooo fucked up"
"sure was. He was fucking Herk-dafied I tell ya!"
-"yeah, he was soooo fucked up"
"sure was. He was fucking Herk-dafied I tell ya!"
by NEMF-o maniac February 21, 2004