Similar in insulting power, but opposite in gender of a cockmaster. A female (or male, whatever) who is a complete douchebag.
I can't believe that stupid dykemaster likes PBR.
Son of a dykemaster! I can't find my fucking wallet!
1. a complete and utter bitch.
2. a raging lesbian; very manly and will beat the shit out of you and your dad.
1. Jeff - "Dude, the teacher gave me a failing grade for the year."
Anthony - "What a dykemaster."
2. Rosie O'Donnell is the fattest dykemaster in history.