noun. A person of glass-half-full mentality who feels compelled to whistle in public areas such as elevators, shopping malls, university campuses, office buildings, trains, etc. Usually despised by those s/he encounters, unless said person is actually good at whistling.

verb. public whistling
A guy that used to live on my floor was a real public whistler.
by Thel200ster March 21, 2007
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