noun 1. A member of a Jethronian Sect.
adj. 2. Of, relating to, or being of various professional lifestyles, whose members seek to be filled with PBR, and reconnect with nature.
A group of friends that stay at a cabin, ride 4-wheelers, DRINK LOTS OF PBR, canoe, dabble in pyromania in Jethro, Arkansas, hence Jethronians.