n.
The average speed of a baby traveling through the birth canal. Based on the time from the beginning of transitionall delivery to the baby being fully delivered. This comes out to 14 cm/hr on average for a woman with a 7 cm long birth canal.

See also: Mom Speed
Dude, all I heard was my mom screaming and the next thing I knew, I was at maternal velocity.
by Obeythelaw7 May 30, 2016
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A type of toxic behaviour most commonly exhibited by middle aged women which seeks to control or discredit a person through a sustained campaign of infantilisation, gaslighting and intense focus on the target's perceived flaws or disabilities.

Through this the perpetrator sets themselves up as a protective mother figure of an otherwise capable adult to whom they are usually not related.

This tactic is often used in the defence of bigotry or conspiracy theories such as the anti-vax movement, the goal being to portray the target as too immature to have their arguments taken seriously.
That article by JK Rowling reeks of maternalism.
by sonderland June 11, 2020
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When a woman ceases to exist due to excessive strain on her birth tract during or after giving labor.
I think it's safe to say that both the guy who impregnated the woman and the lack of contraceptives are ultimate murderers that caused the woman's maternal death.
by ExtraterrestrialMonkey347 December 5, 2022
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when a woman goes out on maternity leave but her co-workers don't' get it so think she was on a vacation.

Cross between maternity leave and vacation.
We really missed you around here while you were on maternication.
by Mouse's mom February 18, 2011
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Also known as Your Mom or Yo Mama. This is a high risk that everyone knew you're toxic or insecure especially when you lose to an argument or a multiplayer game like Call of Duty. If you get roasted, do not use the same joke cause you only look like a clown.
You rarely win on the argument when you executed the joke properly ONCE, if you're still roasted by someone with no counter-maternal joke, you automatically lose the argument.
Example of a Maternal Joke:
1: Wow, dude stop losing.
2: Yo mama lose her virginity to me.
1: Toxic much?
2: That's what your mom's pussy tasted like.
2 left the game
3: Wow, that guy can't cope.
by Ronald Lee July 25, 2021
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The realization of a husband understanding or experiencing his wife's pain during pregnancy and/or labor, and acquiring a sudden appreciation or respect for her.
A: I went through the pregnancy simulator with my wife yesterday, and I don't know how she does it.
B: Dude, you were a victim of the maternity effect!
by OrangeEagleMonkey December 1, 2017
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