This word was formerly considered to be taboo, and it was labelled as such in previous editions of Collins English Dictionary . However, it has now become acceptable in speech, although some older or more conservative people may object to its use
also blowjob, 1961, from blow + job. Exactly which blow is meant is the subject of some debate; the word might have begun as a euphemism for suck (thus from blow (v.1)), or it might refer to the explosive climax of an orgasm (thus blow (v.2)). Unlike much sex slang, its date of origin probably is pretty close to the date it first is attested in print: as recently as the early 1950s, military pilots could innocently talk of their jet planes as blow jobs according to the "Thesaurus of American Slang." Cf. blow (v.1).
