Ma'anar ƙamus na jimlar "kumfa a baki" yana nufin nuna matsananciyar fushi ko fushi, sau da yawa tare da bayyanar cututtuka na jiki marasa ƙarfi kamar kumfa a baki. Hakanan yana iya komawa ga yanayin kiwon lafiya da ake kira "rabies," wanda dabbobi masu kamuwa da cuta ke nuna wannan alamar saboda jijiyoyi da canje-canjen hali.
