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1.
n. female who is skilled in performing oral sex on a male.
"That chick was the queen of all suckstresses -- I never had a better blowjob in my life!"
by Marc February 14, 2004
 
2.
A mistress or a gay, downlow or crossdresser who sucks off married frustrated men who havent had sex from their wives or girlfriends in order to relieve their sexual frustration and keep their marriages together. Usually occurs when men have a pregnant wife or girlfriend.
Karrine Steffans Superhead is a suckstress aka mistress who sucked off married rappers and R&B singers.
by Open March 09, 2014