blockhead
blunderer
blunderhead
boor
botcher
bumbler
bumpkin
bungler
clock watcher
clod
clodhopper
clodknocker
clot
clown
dallier
dawdle
dawdler
diddler
dillydallier
do-nothing
dolittle
dolt
doodler
faineant
fumbler
gawk
gawky
gentleman of leisure
goldbrick
goldbricker
goof-off
gowk
hayseed
hick
idler
klutz
laggard
landlubber
lingerer
loafer
lobster
loiterer
loller
looby
lotus-eater
lounger
lout
lug
lummox
beginner
clumsy person
initiate
novice
tiro
tyro
churl
cloven-footed
flet
half-wit
neo-darwinian
oaf
pockmark
son-of-a-gun
wiseacre
blubber
rubber
scrubber