noun:
1. A point-by-point summary.
2. Baseball A play in which a runner is trapped between bases and is pursued by fielders attempting to make the tag.

adjective:
1. In poor physical condition; weak or exhausted.
2. Dirty and dilapidated
3. Unwound and not running

2 b gettn ur hustle on huntin 4 heads

1. the basis of an idea
2. telling the dj to turn up the music

Rundown is the jizz that runs, or flows down the shaft of an erected penis upon ejaculation. It refers to all jizz that makes its way down the shaft, whether from sex with a tight vagina, or from masterbation.