look up any word, like ratchet:
 
1.
1. One who enjoys a party and also encourages others to enjoy themselves. Antonym of party pooper.
2. One who maintains decency in a party by, for example, not showing rowdy behaviour, not using abusive language and not making obscene gestures.
The party has both party cleaners and party poopers.
by uttam maharjan January 03, 2012