Top Definition
1. A man with large muscles, more commonly known as a man beast. Likes to sport hats that show he is a hunter and a fan of NASCAR.

2. A guy that will jack your gun safe in the middle of the night like it's his.
1. Don: You see that beast with the huge arms?
Bill: Yeah, thats a fine Fyack.

2. No example needed.
by KevinBeingKevin September 15, 2008
6 Words related to Fyack

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