bum
clock watcher
dallier
dawdle
dawdler
diddler
dillydallier
do-nothing
doodler
faineant
gentleman of leisure
goldbrick
goldbricker
goof-off
idler
laggard
lazybones
lingerer
loafer
loiterer
loller
lotus-eater
lounger
lubber
mope
moper
potterer
putterer
slouch
sloucher
slug
slugabed
sluggard
stick-in-the-mud
time killer
time waster
trifler
waiter on Providence