1 definition by xlr8lexus

A. When a women's labia is overly stretched to the point that it produces a whistling sound.

B. A person who renegs on an agreement;A Person who fails to honor their commitments
A.That cuntwhistle is sure loud on a windy day.
B. That cuntwhistle just cancelled the order.
by xlr8lexus April 10, 2009
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