Amount of win a person has, usually measured in points. Named after the cocane-addicted celebrity Charlie Sheen, who also has a tendency to win oftentimes. Similar to Kudos Points from the video game, Project Gotham Racing 4 (PGR4), but one cannot buy items with Sheenies. Plural of sheeenies: sheenie
Person 1: Dude, I just owned Joe in that running race we had.
Person 2: Sweet. Looks like you just earned some major Sheenies.
Person 1: Woah, what happened?
Person 2: Just got my ass kicked by Debra. I think I lost a ton of Sheenies on that one.