When a mother steals phrases or words from her child to sound cool and hip.
Kid:"That party was supercooltasticliciousness!"
Mom hears this and uses her skills of momgiarism the next day saying this to her friends:"I went grocery shopping and that sale was supercooltasticliciousness!"
Noun: Momgerie
Pronounced: mahm-zhuh-rey Rythms with and is similar to lingerie. The unsexy pajamas a woman starts wearing after she has had a child or two and she is more concerned with comfort than being attractive to her mate. Often consists of stretch waist sweat pants and an oversized shirt. Is often made of flannel with no form fitting curves to be found.
I knew it was going to be a boringnight when my wife came out of the bedroom wearing momgerie instead of lingerie.