Mike Posner's putting 6 months worth of wear and tear on his feet behind him with a big dip in the Pacific, and ya can't say he didn't earn it ... after WALKING damn ...

The Game just lost his appeal for a new trial in a civil suit in which he was accused of sexual assault ... so he's still on the hook for more than $7 million in damages. ...

Nick Young and Rihanna??? It almost happened ... with the NBA star saying he shot his shot at the superstar after she watched him ball out at a Lakers game, but there was one thing ...