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1.
The action in which a sneeze and a cough will occur simultaneously, usually resulting in a quick cough-like sound that will suppress the sneeze but will not have the sneezing effects. Usually takes place when an individual is surprised or in a quiet place to remain anonymous.
While in the library, Bethany was surprised by the sudden urge to sneeze but then quickly stifled it and it turned into a cachoo.
by ShadowFoxxx January 30, 2010