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1. The clandestine belief that your children and would be grandchildren are plotting to check your prostate.

2. When a man carries on his family name via butt pregnancy.

3. The very moment you realize that a rectal exam is in your near future.
1. Daryl's children believed in prosterity, much to his dismay.

2. Herb discovered his prosterity and decided to keep it despite the inevitable hemorrhoids that would concurrently haunt him.

3. Jim suddenly sat down when a moment of prosterity fell upon him.
by CherieCherryPie April 20, 2010
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2
The attitude of someone whose prostate(s) are acting up but they don't want to get the problem taken care of because for some reason they think complaining about it all the time makes them seem more mature.
I wish he would just get over his prosterity so we can hang out like normal people.
by ArdentGuard May 27, 2016
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