Possible Clues:

• Rubbish in Croatian port's off-putting
• In a cartoon strip, moving characters around is a waste of time
• A way in replacing energy that's lost to generating delay
• Thieving from the enemy?
• Slowness as a result of not getting round to doing something
• Cast iron part no one could make, causing undue delay
• Timely thief
• A proverbial sort of thief
• Cunctation
• Start of a quip about putting things off