A persons(usually male) bare ass all covered in black thick hair.
We were at the beach and all of a sudden George decided to show me his Hairy fellah!

Look! There's some five-o's I'm going to give them a little glimpse of my Hairy fellah.
by peer2beer June 27, 2006
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Correct name for local lucan celebrity “Mark”
Chat : Can you saw mark the bird fellah?
Ciaran I swear if you bring up mark the bird fellah i’m gonna smash your fucking face in pal
by SkinnyPenisKid2014 January 12, 2019
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