bum guzzler Share definition Flag a man who participates in homosexual activities. a.k.a a queer "hey roy I saw down the gay club last night" "yeah, i was doing stuff" "ur such a bum guzzler" bum guzzler by roy woodhead January 16, 2008 0 0 Get merch Get the bum guzzler mug. Buy Now — $32.95 See more merch