bug
n.β Β«Rode five winners on a December 1981 afternoon at New Yorkβs Aqueduct as an apprentice, something not even “The Kid,”” Steve Cauthenβfamous and fresh off his Triple Crown triumph aboard Affirmed three years earlierβhad managed to accomplish as a “bug,”” the term for inexperienced riders because of the insect-like asterisk next to their names on track programs.Β» ββNearly 20 years later, jockey rides again” by Clark Spencer Olympian (Olympia, Washington) Sept. 1, 2007. (source: Double-Tongued Dictionary)