subprime rib 

A low quality cut of beef, as opposed to prime rib.

A: How is your steak?
B: This crap is subprime rib.

subprime rib by biggs33 February 23, 2009

subprime rib 

(n.) a less than satisfactory sexual encounter

A: Yo man that chick you brought home was super hot

B: I know, but she had no idea was she was doing in bed, it was a seriously subprime rib.

subprime rib by firefox12 October 29, 2010