when two girls decide they are soulmates, with out any sexual interest in one another (outside of drunken cuddling and general drunken shenanignas). generally used when one or both female parties involved have a man in their life as well as their female soulmate.
Wade: "Hey Mike, Chelsea and Kimbo are strangely in love with eachother... should we worry?"
Mike: "No dude, Chelsea is just Kimbo's wifesband!"
Mike: "No dude, Chelsea is just Kimbo's wifesband!"
by kimbo sliceee November 2, 2010
Get the wifesbandmug.