Was posted on a billboard in the 70's (I think). Initially referred to all of the layoffs from Boeing in the 60's and 70's since Boeing was the major employer in the area, but has since been used whenever a major employer has done layoffs (i.e., Boeing, Microsoft, etc.).
Slugging is a form of hitchhiking in DC that benefits both the hitchhiker and the driver. The driver can use the much faster HOV lane after taking on a passenger.
Slang for the beer Milwaukee's Best.
1. Taking place the night before Halloween, youngsters take the opportunity to hurl foodstuffs (like eggs and cabbage, hence the name) at people and houses. Mischief Night seems quite descriptive, but Bostonians like to have their own names for things.
2. October 30th, the night before Halloween; elsewhere known as "mischief night".