Definitions for jug band
Random House Webster's College Dictionary
a small band that plays chiefly blues or folk music on very simple instruments, as washboards, harmonicas, kazoos, and empty jugs.
Category: Music and Dance
Origin of jug band:
a musical group that uses jugs and washboards and kazoos and other improvised instruments
Especially in the U. S., a group of rustic musicians, specializing in bluegrass or folk music, whose instruments include empty jugs, bottles, and similar containers of various sizes which produce musical sounds when the player blows across the openings at the tops of their necks.