1. fun size - Noun
2. fun size - Adjective
fun size
(singular only, marketing euphemistic) A small size.
fun size (not comparable)
(marketing) Small in size.
Antonym: king-sized
fun-size (not comparable)
Alternative form of fun size
fun-size chocolates
fun-size
Whoever thought a tiny candy bar should be called fun size was a moron. Glenn Beck