When is a ponytail on a man appropriate?

In 1990 if you were 18-24

All other times you would have to be a fucking idiot, or a sad metaller..

which is it Richie-boy?

Even the top metallers have short hair these days, Geddy Lee is the only person with a pony tail and that says it all really

Hahaha, you know the answer to this question, Rob.

I like to call it "sad stoner rocker".