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.
(..) - We got loose ends here! - Calm down! I will be there after school. After school? Are you shitting me? Ditch it, man, call in sick. Listen, that is just not going to work for me. I'm not interested in that at all. And I would appreciate if you don't call here anymore. (..)2008 TvShow: Breaking Bad Title: Cat's in the Bag... Season: 1 Episode 2
(..) But then, all of a sudden we're off the main road. I'm trying to read the map while I'm driving, which is a bonehead maneuver. And all of a sudden... Bam, we're in that ditch. Yeah, bam, I'm like, what the hell? You know? Yes, and my coffee mug. Coffee? My mug of coffee? (..)2008 TvShow: Breaking Bad Title: Cat's in the Bag... Season: 1 Episode 2