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See Penis, schlong, or rod of love.
Look at the love whistle on that guy.
by Eat me August 28, 2003
A slang word often used for penis, but also can mean when two people together get a flute and stick it in their genitalia or what have you for musical entertainment.
Susy is so hot. Last night, I gave her the ol' Love Whistle.
by Kelsey Hopper June 17, 2008