1. Dry flaky substance consisting of old semen, usually found around the genital area of someone who doesn't wash and therefore is probably only from masturbation.

2. The son of god.
1. Smelly farmer to farmer's smelly wife - "I fancy a nice bit of that jizzer's crust you've got on that hairy pie."

2. Person who has just witnessed the return of the messiah - "Holy jumpin fuckin jizzers crust!"
by Jizzers Crust June 21, 2006
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