The nuclear bomb dropped over Hiroshima, Japan on August 6, 1945.

(chiefly US) Alternative spelling of mama's boy

(chiefly UK) Alternative spelling of mama's boy

A very young male human being, from birth to a couple of years old. / (derogatory) A man who is immature or infantile. / (slang) A term of endearment for a man.

Used other than figuratively or idiomatically: see bad, boy. / A man whose rebellious nature makes him dangerous and/or attractive. / (slang) A male criminal.

(chiefly Britain) Someone who has an anonymous support role in an organization, especially a technician or scientist; a boffin.

(UK, US, slang, chiefly in the plural) A policeman. / (UK, air force slang, dated) A member of the air force.

A boy serving as an acolyte in certain forms of Christianity. / A young man adhering to traditional values.

A girlish boy.

(idiomatic) A male exemplar of some trait.