The troops made a desperate 'last-ditch' effort to keep the town from being captured.
The negotiations were a 'last-ditch' attempt to prevent a labor strike.
His girlfriend 'ditched' him. = He 'got ditched' by his girlfriend.
(..) Hi. -Hey. Hey, what's going on, man? Hey, yeah, okay, that sounds great. Okay. Hey, do you guys want to ditch prom and just go to Mike's instead? Yeah, I hate dances. -Yes. Yeah, okay. No prom. ♪ baby / And I come into you ♪ (..)2017 Lady Bird