The straight-haired person's afro. Hair that sticks out in all directions like an afro only with straight hair instead of curly. Named after former Canadian Prime Minister Joe Clark. Joe-Fro is not cool. A smart person born with Joe-Fro is an early adopter of hair products.
Jen: OMG! Craig?! Is that you? I don't think I've ever seen you without hair products before!
Craig (sheepishly): Yeah, I have Joe-Fro.
Jen (laughs): O ... K?
Craig: Hey! Not many people can rock a 'fro with straight hair. 'K I say 'rock' to make it seem cool, but don't worry I know it's not.
Jen (laughing): Got that right!
For the quintessential example, Google Image search: 'Charles Joseph "Joe" Clark'