daf Share definition Flag An abbreviation for the statement "Dope as Fuck" originally thought up by Sean Place after being made fun of for using the word "dope" as a description. Yo, that rave you threw last week was daf! Uh!Your mothers cheesecake was daf. And the cherries, wow.This weekend was daf. Capital D. daf by daf punk August 23, 2009