killer bee

(noun) an investment banker who devises strategies to make a target company less attractive for takeover. Synonyms: killer bee.

(noun) a strain of bees that originated in Brazil in the 1950s as a cross between an aggressive African bee and a honeybee; retains most of the traits of the African bee; now spread as far north as Texas. Synonyms: Africanized bee, Africanized honey bee, killer bee, Apis mellifera scutellata, Apis mellifera adansonii.