Kachanka Share definition Flag or 'Kachankas'. Basically another name for a woman's breasts. Prounounced: 'Ka-chawnk-ka' 'Look at that woman! Her Kachanka's are flubbing around and everything! Isn't she wearing a bra?' Kachanka by Sargent Mahoonly July 31, 2007 0 0 Get merch Get the Kachanka mug. Buy Now — $32.95 See more merch