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.
(..) fuck that, i traded off yesterday so i got the other shift come on, im bored as crap over here. just swing by for a bit... i cant just ditch work man im trying to get my shit together and be an adult here you know, for Lori's sake Johnny, minuites and ill kick you out, i promise just come over. (..)2012 Ted