Premature ejokulation 

The act of laughing at your own joke prior to delivering the punch line.

david letterman committed premature ejokulation last night.

dude thinks his jokes are so funny he prematurely ejokulates.

Premature ejokulation by spencedog April 11, 2009

Premature Ejokulation 

Attempting to make a joke before all the key parts that are necessary to make the joke funny are there; often with the hope that the missing parts will form by the time they are required.

Person 1: That was uncool.
Person 2: What's uncool is your... ... um... damn, premature ejokulation.

Premature Ejokulation by dh718 March 26, 2010

Premature eloculation

Premature eloculation is the what happens when you get in your car, and you reach over to unlock the door for someone, and they try the handle too soon so you have to unlock it again, and they try it too soon again so you have to unlock it yet again. Their repeated attempts to open the the door too soon is known as premature eloculation.

Karen: Would you please give it a second before trying to open the door? That's premature eloculation!

Premature eloculation by AEI January 11, 2008

premature ebakulation

Medical condition that fans of University of Miami football suffer from each year, when they believe the team is "bak" to their 2001 form.

Premaure ebakulations lasting longer than 6 weeks will result in a mid-season Nolegasm at the hands of FSU.

Fan of da U: We bak! We got swag and U dna!
Every other ACC fan: You're suffering from premature ebakulation. I'll prescribe you one dose of reality.

premature ebakulation by cccccchris January 2, 2014

premature ejaculation 

Producing the juice before you put it in the caboose

Billy premature ejaculated on his grandmothers face.

premature ejaculation by Urban Dictionary December 2, 2004

premature ejubulation

Premature ejubulation is a condition in which a person becomes jubilant with anticipation before the actual event actually occurs, then is disappointed when it doesn't.

Well John got me all excited about wonderful new flavor of chocolate ice cream, but the grocery store had none yet. A case of premature ejubulation.

premature ejubulation by bp again September 6, 2012

premature ejaculation inducer 

a girl who is so intensely attractive that she causes a guy spill his load too soon, thus inducing a premature ejaculation.

much to her chagrin, jessica was a premature ejaculation inducer. all of her sexual encounters lasted only a few moments; her hottness was to blame for the rapid ejaculatory speed of her male partners.

premature ejaculation inducer by bumbleclot July 11, 2006