milkwagons Share definition Flag Slang for female breasts. Not to be confused with butterhogs Origin: mammory, milk, chuckwagon Look at the milkwagons on that one. Nice milkwagons there mam. milkwagons by jack00 January 6, 2007 0 0 Get merch Get the milkwagons mug. Buy Now — $32.95 See more merch