Possible Clues:

• Loafed, lazed about
• Wasn't a go-getter
• Oddly indulged by day and did nothing
• Warmed an engine
• Did some whittling, say
• Did nothing, but lied about pinching diamonds
• Did lounge at the front illuminate date / clock display?
• Turned over papers by the light
• Dogged it
• Just sat