1. Disgraced scene-stealer in The Usual Suspects or Se7en and Oscar winning star of American Beauty.
2. An actor, otherwise artist or person who is unfortunately brilliant despite piss-poor or illegal habits, behaviours or qualities.
1. "Kevin Spacey is a brilliant actor but unforgivable sex-pest."
2. "Our new midfielder was top goal scorer in the Championship, last year."
"Yes, it's a pity he's a right Kevin Spacey."