1. A general insult. Referring to anyone that acts in an unagreeable way. Intentionally spelled Egrit (instead of Egret like the bird), simply because it is an insult.
2. A familiar greeting used amongst friends.
1."You're a fucking Egrit for taking my shoes."
2."What's up egrit?" or "Hey egrit!"
Ultimately the best. A seriously great thing. Something awesome. Sick Bitchin is synonymous with cool, sweet, rad, off the hook, off the chain, awesome et al. Of recent origin, it appeared in the horse country of Northern Virginia, USA.