The foal, or colt, and the filly-the female- refer to the son and daughter or simply-boy and-girl, slave or not. Dreaming of riding on-colt without saddle or reins means one will sodomize-boy underage or-delinquent one or will experience fear and worries. The same applies to the filly.
More related Dreams in this F For Islamic Dreams interpretation Use search box and enter phrase (translation enabled in most languages )