look up any word, like guncle:
 
1.
The friend you bring along to parties, if you're not sure that people you know will be there. This offers you protection against standing alone on the side like a potted plant or being ranted at by drunken tax attorneys.
Steve: You going to Wendy's on saturday, i don't really know anyone else whoose going.
Freida: Yeah, me neither, i'm bringing Tom as isolation insulation.
by CaptainLemming July 26, 2010