A Mommynatrix is just as it sounds. It's a dominating woman that treats adult men and women lovers as their own little children, and does so in a sexually humiliating way, usually involving pain and embarrassment.
"Wow. Cathy has really become a Mommynatrix since she married Greg. He tells me how she treats him and it's crazy to say the least."
by dw8177 February 19, 2017
Get the mommynatrix mug.A cougar with a BDSM fetish, specifically one who is into femdom,Hardcore, and domination play. Similar to a GILF but more specific
Yo dude did you see Tom's new girlfriend? She's like 60!
Yeah dude, shes a Mominatrix! You should see the whip marks on his back!
Yeah dude, shes a Mominatrix! You should see the whip marks on his back!
by BaronVonCuddly September 12, 2018
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