Any Greek/Italian guy who cannot control his actions after consuming way too much alcohol and starts groping girls at parties, bars, or clubs and also gets as low as possible on the dance floor in the process. See also Depper.
The Gropenator pounded 12 beers and started grabbing as many random girls that he could find while getting low on the dance floor at the club.
A Greek/Italian Pittsburgh Steelers' fan who cannot control their actions after consuming too much alcohol. Groping random girls and getting low on the dance floor are also attributes of a Roethlisdepper.
After getting ejected from Bar None, Roethlisdepper spent 5 hours stumbling around Hoboken in search of Sully's apartment.