1 definition by FactMaster3k

A "Bull Dyke", or "Bull Dyker is a lesbian that is seen as the "man" in the relationship. The 'bull' part is stated because, like a bull, the woman portraits a since of masculine dominance over her significant other. As such a bull does with his heifer.
"So, I was walking down the street when I saw these two Bull Dykers making out."
by FactMaster3k April 4, 2016
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