1. (noun)bomb an explosive device fused to explode under specific conditions Synonyms: bombcalorimeter, turkey, dud
2. (noun)bomb calorimeter, bomb strong sealed vessel for measuring heat of combustion Synonyms: bombcalorimeter, turkey, dud, bomb
3. (verb)turkey, bomb, dud an event that fails badly or is totally ineffectual Synonyms: flop, turkey, washout, bomb, dud, misfire, joker, bomb calorimeter