(n) Boston or New-England based eye-dialect for the term 'ripper', referring to a large party where it is assumed that party-goers will become intoxicated and out of control; a party that will be remembered for the damage done to objects, reputations, and livers
My boy Fred threw this wicked rippah at his folks' house and some chowdahead got thrown through the pool-house window!
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.