to vigorously introduce a pencil into one's ass crack, with extreme prejudice, for the purpose of sexual arousal
Everything was goin fine until she reached onto my desk, and gave me a brutal case of ejaculistic pencisiliation.
by Wonderbra April 15, 2003
An ultra-egomaniac, in "most" cases those with a small dick trying to buy something they don't have any control over..
by 2Nobody2 June 12, 2011