noun the highly venomous bamboo viper, found and feared in Vietnam. So named because of the belief – false but vivid – that the venom is so toxic that it kills a person before they can take two steps after being bitten US, 1991
idiomtwo-stepthe Aztec two-stepbodyspoken when you need to go to the toilet very often because you are ill:Prescription drugs such as Lomotil will stop the Aztec two-step in its tracks.Colin had a bad case of the Aztec two-step, and stayed in the hotel.