Meaning: a lesbian (see note below) who is very manly in appearance and behaviour
- My sister is a bull dyke and she's in a gang of women who ride big motorbikes and wear leather jackets.
- We saw all sorts of interesting people in the Gay Mardi Gras parade, including drag queens, leather guys and bull dykes.
Variety: This slang is typically used in American and Australian English but may be used in other varieties of English too.
Most women who are called bull dykes would prefer to wear