the search engine and the first thing that appears on google when u search "porn"
"meynz, stop looking at penisbot"
"why is penis bot always there?!"
by anonymous_freak March 27, 2007
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Noun
Someone that loves the penis so much that he consumes it constantly and without breaks, much like a robot.
Justin Timberlake is a penisbot.
by Michael Rotch December 17, 2006
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