Top Definition
It is when a man has a hard on and he squeezes his dick near the base, causing a build up of blood in the penis, giving it a purple appearance and causing it to increase in size.
Yesterday I got hard and squeezed the base and was all like ''Fuck yeah! I'm the purple hulk!''
by the doctor of the road June 08, 2009
7 Words related to purple hulk

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