...1. the act of raging wildly(with or without cocaine and porn stars)
2. the act of mentally converting your bi-polar disorder to bi-winning
3. winning at life
4. being a warlock
5. taking enough drugs to kill an elephant
*3,4,5. "Did you see that kid last night? Fucker kicked like 12 cars, totally Sheening."
2) Screwing up in the most spectacular way possible. Complete and utter self-destruction.
Named for Charlie Sheen, who has done both very publicly.
2. A state of delirium in which people may confuse themselves with Charlie Sheen.
2. "Leave Jehesophat alone, he's in a state of sheening".