killer bee
Plural
killer bees
1
a highly aggressive hybrid bee species with a reputation for its intense defensive behavior and potentially dangerous sting
A killer bee, officially known as the Africanized honey bee, is a highly aggressive bee species that originated from the hybridization of African and European honey bees. They are characterized by their swarming behavior, quick temper, and defensive nature, which can pose a threat to humans and animals. The name "killer bee" is often used to emphasize its aggressive nature and potential danger when disturbed.
2
an investment banker who devises strategies to make a target company less attractive for takeover