![Permalink to Word of the Day: Irrumatio OI-109d](/wp-content/uploads/2011/11/OI-109d-150x150.jpg)
The more you know… Irrumatio, also called irrumation, is a type of sexual intercourse performed by actively thrusting one’s penis into a partner’s mouth and throat. “Latin erotic terminology actually distinguishes two acts … First, fellation, in which the man’s penis is … orally excited by … the … [fellator ..., and] Second, irrumation … [...]