When the person behind you in traffic changes lanes and accelerates to pass only to find that there is not enough room and they have to get back in line.
Driver: Did you see that guy try to pass me? He had to slow down and get back in line.
Passenger: Yeah, that was a case of premature acceleration.
by Morgore December 9, 2008
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When one person in a relationship thinks the other is going to break up with them they decide to dump the other first. Except the person never had intentions of dumping the other and now there are huge regrets. They acted in haste, and had Premature Edumpulation
Hey man what happened with you and Mary?

OH we got in a fight and out of nowhere she dumped me!

Wow that's crazy dude, were you going to break up with her or something?

NO, we just had a fight and now she TOTALLY is regretting dumping me

Ohhh. Yeah, typical woman. She wanted to dump YOU before she got dumped herself! She had premature edumpulation.
by Proper Modulation October 21, 2016
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the accidental sending of an email before one finishes writing it
Premature emailulation has been a real problem for me since switching to gmail. That send key keeps getting pressed.

I was writing an apology letter to Carol and prematurely emailulated right in the middle of a sentence. It was really embarassing.
by maxkeepsitreal1 January 11, 2007
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hitting send or the enter button too early resulting in broken phrases or words.
i was texting vince today, and hit send too early. instead of lol he got lo....i suffer from premature enteration
by Pagankelly November 8, 2009
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The phrase refers to the tendency of the 2010 Oregon Duck football team to frequently score quickly without any regard to the feelings of its opponent. Football being a zero-sum game, the Ducks understand that it is important to get theirs early and often. Opponents are left unsatisfied and usually perplexed as the Ducks pretend like nothing is out of the ordinary and seem ready to score again in an alarmingly short amount of time. The largest proponents of this offense are alumni of the University of Oregon, Phil Knight and young men venturing into the world of mature women for the first time.
The USC Trojans were surprised at the severity of the Duck's case of premature equackulation.
by Sturdy Bird November 14, 2010
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When you accidently press the send button before you've finished typing the full message. Can occur while texting or email.
Guy 1: "Oh, man I just texted my girlfiiend that "I'd love to have a b"

Guy 2: "What?"

Guy 1: "Yeah, I didn't get to finish the sentence cause I accidently had a premature ejacusend. I was going to tell her I'd love to have a beer with her. "
by jlowe1964 January 19, 2010
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