A towel one uses to ejaculate on when masturbating. Usually a distinct towel from other towels so that a person might not mistakenly use the monkey towel to wash ones face or body.
I was so horny last night because I was watching "Supernanny". Good thing I had my monkey towel near by!
by BeEmDe January 22, 2007
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Derogatory term for someone who takes too many showers.
Carlos, that is your fifth shower today, you're such a towel monkey.
by Bobsaway November 8, 2010
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