A bisexual woman who prefers women romantically and/or sexually.
Some guy: "Kelly never wants to date guys, whats up with that I thought she was bi?"
Some other guy: " I'm pretty sure she's a blesbian."
A sexual (fucking) situation that you can't pass up for anything.
John: bro my mom's in the hospital I need a ride.
Kyle: Can't dude I'm in a fucktuation.