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.
(..) It's totally a good thing. We're so much better off now. Here's something I would like to remind you two of. Our best friend, Doug, is probably face down in a ditch right now... With a meth head, butt-fucking his corpse. That's highly unlikely./ It's true. This is not help. Let's get (..)2009 The Hangover