When a mother interferes with any conversation or activity to boast about herself as a mother, or of her children
Don't invite Karen, she is mommy jacking every conversation at girls' night. Nobody cares if little unvaccinated Julie can count to ten in Mandarin backwards while juggling non-GMO, free-range, organic fruits
by Willem Dafoes Junk April 12, 2018
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When someone posts an update on Facebook and people reply about their children and really nothing to do with what the status was about.
Happy Veteran's Day!

Reply- Oh, yes it's my babies 6 months of being born today, so thankful. Happy Veterans day to you to.
(You're post just got Mommy jacked)
by agentrant January 19, 2012
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When a mother can't help but throw her being a mother into a conversation, regardless of relevance. Usually done by mommy martyrs to gain sympathy or attention of some kind.
Stacey: I want to buy a green car.

Anne: My kid popped green before!

Stacey: Wow, mommy jacked much?
by Lacey13 January 13, 2012
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When an annoying person, with equally annoying children, decide to insert their children into a conversation where it was otherwise un-warrented.
Steve: "I just got my degree!"

Annoying person: " well I don't have time for a degree, between projectile vomit coming from 8 kids and me being a parent I barely have time for myself."

Steve: "nice Mommy/Daddy Jacking, asshole. Nobody cares."
by GreenWeenie6100 June 24, 2017
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