· According to biologists, the term venomous is applied to organisms that bite (or sting) to inject their toxins, whereas the term poisonous applies to organisms that unload toxins when you eat … · Hello, Which of the two do you find more idiomatic? a) poisonous insects, snakes, etc. b) venomous insects, snakes, etc. This is what I found: venom (POISON) a poisonous liquid which … · A venomous tongue is usually a metaphor for someone who causes damage by spreading lies or gossip. I have never heard the expression " viperine tongue " but I would assume … Journal of Venomous Animals and Toxins including Tropical Diseases 21 (2015): 1-6. ^ Fang, Jie, et al. "Dissecting a mutualistic interaction involving an insect-endosymbiont association."