A matty boy is a circular we boy with very bad tan lines (mainly where his socks are).

He is the sort of person who you would see down shankil road playing pokemon go.
I saw a matty boy on my way to Walmart today.
by Rebocci December 11, 2016
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A Matty boy is a circular we boy with really bad tan lines (mainly where his socks are). He is adopted and ginger. He is the sort of person who you would find walking down shankil road with one feg in his mouth and playing Pokemon go.
Oh look it's a matty boy.

I walked to Walmart and I saw a matty boy.
by Rebocci December 11, 2016
Get the matty boy mug.