Pronounced Buff-Fellow - is a person whom is of muscular build, usually as a result of lifting weights at the gym, drinking protein, creatine, and other supplements.

This person is often complemented for being "buff" and is therefore a "buffellow"
Whoah check out that dudes biceps...man hes a buffellow.

Sup buffellow, gymed today yet?
by Metro city January 9, 2010
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