What is Fellas?
1.
fellas; your friends or people that you like. People you are often with and treat as close people to you.
Hey Jonny, I'd like you to meet some of my fellas.
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2.
the boys; the guys; my manly friends.
I told the wife I was hanging out with the fellas tonight.
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3.
Your Male friends.
All da fellas in da back!
All the ladies in the front!
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4.
The collective term for a group of footballers or balding 60 year old men.
Mr Tink: ok fellas, we've gotta knuckle down, punch some gut and kick some ball. multiple interpretations
5.
slang with which gay, but closeted, frat boys use to tell you who, or where, all their friends are
frat boy 1: yeah, the fellas are taking in a spa and then getting sushi
frat boy 2: that's cool, does that mean we have the frat house to ourselves?