Irrumatio vs. Irrumation
Irrumationoun
alternative form of irrumation
Irrumatio
Irrumatio is a form of oral sex where a man thrusts his penis into someone else's mouth, in contrast to fellatio where the penis is being actively orally excited by a fellator. The difference lies mainly in which party takes the active part.
Irrumationnoun
Vigorous oral sex; the active penetration of a mouth with a penis
