noun: a lesbian who is so non-conformist to the normal sub-stereotypes that she appears to be unaware of them. One who is disdainful of butch, femme or futch as labels. Wears what she wants, sleeps with who she wants.

adjective: rogue lesbian: describes an act by a rogue lesbian - usually describes some behaviour that is shockingly unexpected - like seducing the Bishop's daughter. An unsanctioned act.