Busting your load on your partner in way that is amusing to you and/or your friends but not so much to your partner. It can involve anything from pulling out and busting a nut on her face/ear to such famed manuevers as the spiderman, superman or even the gorilla.
Erin wasn't too impressed when Shawn pulled an immature ejaculation and came on her nose.
by Phill Latio February 15, 2008
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Similar to premature ejaculation except male acts childish and throws a tantrum.
It was just an immature ejaculation all around, i mean he was throwing clothes across the room, yelling, crying; i must have been really drunk.
by Kif-exel February 13, 2011
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You Say A Word, Then The Person Who Laughs Is Immature
Joe:'Penis Pump'
TOm: hahahahah

Tom Is The Immautre one as he laughed!! Its A Fun Game (immature game)
by BUmHeADgrsfgf November 17, 2007
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lemme tell you he sure is one immature man.”
by stokeleydalord February 10, 2022
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a person crying out for attention, compulsive liar who makes up stories to pretend they have a life
the person is such an immature intellectual, making up improbable stories to get attention, neither mature or intelligent
by barrybenson February 19, 2015
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A euphemism for dumb as a rock, often used with small children as a means of preventing academic apathy/low self esteem.
Synonyms: slow different special.
"They described the boy as socially immature, but not mentally disabled."~ msnbc news on the lost boy in Utah
by Felipo June 22, 2005
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