Lumberjack Sack Share definition Flag When a man's scrotum is so hairy it resembles that of a Lumberjack's beard. You have a Lumberjack Sack, it looks like the Brawney paper towel man. Lumberjack Sack by the R&L book February 9, 2009 0 0 Get merch Get the Lumberjack Sack mug. Buy Now — $32.95 See more merch