1894 (Havelock Ellis), from Latin fellatio, noun of action from fellatus, past participle of fellare "to suck," from PIE root *dhe(i)- (see fecund). The sexual partner performing fellatio is a fellator; if female, a fellatrice or fellatrix. L.C. Smithers' 1884 translation from German of Forberg's "Manual of Classical Erotology" has fellator, fellatrix, and fellation, but not fellatio.
1. Other practices , such as fellatio and cunnilingus appear to be relatively, but not absolutely, safe.
2. The fellatio regarding had all sorts of natural function barrier person is a lucky star.
3. The disrespect in question was a suggestion that the judge perform fellatio on him.