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The tingly, vinegar-like sensation that occurs in the upper spine and back and when a person is excited or nervous, or when he or she is feeling great anticipation. It is best applied in generally positive situations.

In such times, the words "Bowsie-Wowsie!" can be shouted extremely loudly, which serves both to indicate the shouter's current state, and to relieve the body of tension.
I'm flying this morning, and I've got serious Bowsie-Wowsies coming on.
by whamchax July 02, 2010