byofpos Share definition Flag An acronym standing for, “Bring Your Own Fisherman Pull-Over Sweaters” “If I want to be a lighthouse keeper, do the fisherman pull-over sweaters come with the house or…?”“It’s actually BYOFPOS” byofpos by Kezia1312 March 18, 2022 0 0 Get merch Get the byofpos mug. Buy Now — $32.95 See more merch