1) the act of ruining something with one's genitals
2) using your genitals to get your boss fired
Example 2: Thanks for pennstating my marriage you lecherous whore
Usually used when the "convincer" is talking about the "convincee".
Usually a Penn Stater is used to turn a novice drinker into a pro.
"Happy 21st Birthday! You're gettin' Penn Stated tonight!!"
(Waking up terribly hungover) "Jeez, I musta got Penn Stated hardcore last night.......who's this girl?"