Noun. Mistlecock: A hanging ornament (commonly a dildo or penis like figure with a mistle toe connected) usually placed above doors or other places where one might cross. Standing under a mistlecock with anyone of the opposite sex requires the man to thrust his cock into any part of the women.
Jack and Jill were caught under the Mistlecock, so Jack shoved his cock down Jills throat.
by Builtsoguy October 18, 2013