FELLATIO Meaning of FELLATIO in English [ fɛ'leɪʃɪəʊ , -'lα:t- ]■ noun oral stimulation of a man's penis.Derivativesfellate verbfellator fɛ'leɪtə noun OriginC19: mod. L., from L. fellare 'to suck'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004