To act like a rat...and no, not the animal, but the person who is currently named after the animal because of his "ratty" ways. AKA being a Ratsko.....
by Matt Matsko October 5, 2005
noun/verb/adjective. can be used in many ways to describe something. Getting blazed is equal to getting ratty in most circumstances. Smoking, people who smoke, anything of the sort. even full groups can be ratty
by ratatatatatat December 29, 2011
by bob the gay June 13, 2011
by Beefdogg March 29, 2006
by gothmermaid June 26, 2011