Definitions by Richard Hertz

struggle-bun 

lesbian. The expression probably comes from the typical hairstyle of a rug muncher, which is too short to put up in a bun, but for some reason, she tries anyway.

My friend: "She's pretty in a boyish sort of way."
Me: "Forget it. She's a struggle-bun."

struggle-bun by Richard Hertz August 4, 2006