Where a man goes to put a condom thats too small on and it makes the penis look like an hourglass.
My circulation was cut off because of the hour glass effect.
by Brent H. (Lol Nicole) July 15, 2008
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When a guy goes into cold water and his ballsack shrinks around his testicles, resembling a sideways hourglass.
At the beach, the water was so cold that I experienced the hour glass effect.
by TheSavageSquid June 1, 2010
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