by throw_52708951 August 27, 2020
QFB is an Amateur Radio Q-Word that either asks if something is "Fine Business?" (Is it good - See definition of Fine Business on same site) or states that something IS Fine Business.
by AndersonQF February 18, 2010
by a_guy_on_the_innernette June 1, 2010
by FarRock King August 11, 2011