blockhead
blunderbuss
blunderer
blunderhead
boor
botcher
bumbler
clod
clodhopper
clodknocker
clot
clown
disregarder
dodger
dolt
fuckup
fumbler
gawk
goldbrick
goof-off
gowk
idler
ignorer
klutz
looby
lout
lubber
malingerer
neglecter
negligent
oaf
ox
procrastinator
schlemiel
shirker
slacker
slouch
sloven
slubberer
slut
trifler
waiter on Providence
yokel
incompetent
incompetent person
bungle
bungling
appraiser
daub
dunce
fumble
greenhorn
ignoramus
individual
lambkin
levelling
mushy-squshy
nincompoop
ninny
numskull
religionism
sciolism
scribbler
serbonian
touranian
tripper
weakling