a cute intelligent girl with a ditsy personality. Tries to get away with everything with an innocent smile or giggle. At times she can be passive but stands up and holds her ground when it comes to issues she truly cares about. definitely a lady in the streets but a freak in the bed.
by Robette97 December 9, 2012
Stands for "I should've been invited". An acronym used to describe excessive erratic behavioral shifts when the offending party is not privy to being invited somewhere due to her ever-sad countenance, overall gloom and perpetual air of malaise.
Scott: "Paul's at the mall, I just had to come back and get something."
Scalene <super off the wall excessively offended with a red face and teary eyes>: "At the mall? I should've been invited."
Scott: "I don't have time for this now." <muttering in orcish; "fcuking ISBI">
Scalene <super off the wall excessively offended with a red face and teary eyes>: "At the mall? I should've been invited."
Scott: "I don't have time for this now." <muttering in orcish; "fcuking ISBI">
by Wooden Shoe Like Two No. September 4, 2007