A party drink designed for consumption at live music shows in some kid's basement. Pour a 40 (preferably Colt 45) into a tall glass. Next drop in a shot of cheap whiskey. Pound the drink and chase it with a large gulp of Sparks.
"Mike was dead sober until he downed that Basement Show and started wilin' out"
A special situation in which you get shot down because some scrawny pansy who's too busy with flowers to find his sexuality comes into the picture. Also: being screwed over to the point of laughter because you realize how dumb people can be