noun. A motherhumper with feminine assets, such as a fortress of moistitude and boobamaphones.
Real citation: “I hugged her and smiled and gave her my card. She will sober up and regret this, but mostly, she will go home, try to use my card as a roach for a joint and then discover it's laminated with cellosheen and she will cough her washboard guts up. Row that, you weird motherfuckeress.”
(July 22, 2004, http://www.ubersite.com/m/39215)
Made-up citation: "I am so bummed out about my dating non-exploits. Where is the right motherfuckeress for me?"