- oral stimulation of the penis, especially to orgasm.
- a sexual activity in which the penis is stimulated by the partner’s mouthCompare cunnilingus
1887, from Latin 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.
- Oral stimulation of the penis.