A one plug blow out is where one half of the strap on a pair of thongs pulls away from the base, causing a (usually) embarrassing fall.

Generally occurs while running or from walking through a puddle while drunk.
Bystander 1: How did the police catch that bag snatcher?
Bystander 2: He had a one plug blow out running past their parade.
by jlif April 20, 2010
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