Top Definition
When your girlfriend goes and gets pregnant on accident off of another guy, even though she was going out with you and having sex with you. Usually because she was cheating.
Guy: What the f*** dude! you said you wouldn't get your girlfriend pregnant, and now you broke up with her too!

Friend: For a good reason, it was a jerry pregnancy.
by Mark2791 December 05, 2008
5 Words related to Jerry Pregnancy

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