Nickname for a person so incredibly amazing in whatever area they excell in that there are no superlatives strong enough.
Originated in the 1900's in NY among the Irish community where Feargal was a common name and everyone knew a Feargal who was good at something. Also spelt Fergal.
- Wow, Dude, did you see that guy move on the dancefloor? He was, like, way better than awesome, he was...
- Yeah, I know, he's the Feargal of Dance. So envious.
- OMG you were so right, Ken is such a great lover, I've been sore for days!
- Yeah, he is the Feargal of cock, girlfriend!