An upscale prostitue who services a small number of men (usually executives) on a regular, long-term basis in exchange for them contributing to her financial well being. Each man may call on her anytime on his regular day (eg. 1st & 3rd Tuesdays). If he needs her for a Friday,Saturday or other days, additional negotiations are necessary.
I could never be a protitute - having to hustle for johns and taking risks, but being a professional mistress is great because I am in control of who I see and when, and the guys I pick really take good care of me.
by myplayfulvixen October 10, 2007
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When dating a vegan, you're likely to not eat animal products when eating dinner with them. However, you likely eat animal products when at dinner with a friend(s) who is not vegan, and this friend(s) is/are your dairy mistress(es).

If your partner is vegetarian, the friend(s) would be a meat mistress(es).
Bob: Dude, I totally couldn't eat this grilled cheese if Susan was here; she became a vegan 6 months before we started dating. You're so my dairy mistress.
by TwistedColorArrangement September 13, 2012
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A member of the female sex who has mastered the art of doing all not-so-virtuous things, bordering between indulgence and decadence
Sloth, greed, binge-eater -- she is the mistress of vices!
by cyclopsee May 17, 2010
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When a friend comes over with a large desire to act as a drag queen, they are said to be channeling the spirit of "Mistress Howard" a drag queen from the 70's.
"Oh sweetie! You do look fabulous!"

"Dude, you've totally gone Mistress Howard on us."

"DO I!"
by Vogoins February 29, 2008
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Mistress Rage is a former Dominatrix and current BDSM educator, fetish model and former DJ for WRUW Cleveland who became infamous for her banned YouTube videos. Mistress Rage can also be heard in the Nine Inch Nails "Discipline" remix and on The Pusher's "Rubber City Hustler" CD. Mistress Rage was the subject of the documentary "The Joy of Pain" where she discusses what BDSM is(and isn't) about . Her informative interviews can be found many places online.
I went to see a bondage class held by Mistress Rage.
by FireTree January 28, 2010
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The day before Valentine's day typically reserved for a man taking out his mistress or girlfriend. On Valentine's Day a man is "required" to take out his wife or steady girlfriend. However, the restaurants, bars and clubs are packed on February 13th for the better looking women in a man's life.

Mistress Day gifts are typically always jewelry and lingerie, while Valentine's day gifts are chocolate and teddy bears.

The most popular day for "short stay" hotel bookings.
A man said to his wife on February13th, "I'll be working late tonight, I'll make up for it tomorrow on Valentine's Day". Secretly he was preparing his cover for Mistress Day celebrations!
by Rob bie February 13, 2012
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The day before St-Valentines, February 13th, which is known as the official Mistress Day.
Dude: I got my flowers and chocolate ready for my wife for St-Valentine's day yet I'm missing the gift for my mistress for Mistress Day that's coming right before. Oh and I'll also need tons of condoms.
by Dr Manian February 12, 2012
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