abbrieviation for memorial day weekend. it is usually a 3 or 4-day weekend. most jersey kids go down the shore and party. also people march in parades and other people watch it.

MDW is short for Major DickWiggle. Fat fuck likes cake. A lot.

Abbreviated as Memorial Day Weekend. It is the single greatest weekend of the year. An ideal time to be permanently mind-altered and have sex with as many people as possible. You are always single during MDW. The only sober moment will be the ride there and ride home. Usually celebrated by people from New Jersey and is pre planned as early as November. There are only 2 yet significant rules of MDW. Your mind must be altered by any means neccessary and you must be in pure creep mode.

Abbrevation for the dutch phrase "mijn dag was", meaning "my day was".

It's used at the end of a sentence, to say how your day was. It's made popular by the Dutch website MijnDagWas...

Chicago Midway(MDW) yuppie, is one who is always seen on business flights, and is almost always the most arrogant and nasty to customer service agents at airports!