ingenuous
lubberly
spacky
untenty
galoot
unseen
duffer
doppich
spack
spalt
mannerless
unhandy
clodhopper
dropkick
unhackneyed
slack-jawed
clumsiness
dufferish
new
gorming
bumbling
skilless
klutz
doplic
have one's fingers all thumbs
unheppen
chucklehead
gormy
underwitted
unadept
light-witted
spazzy
incompetent
untempered
gype
fledgling
simple-mindedly
spacker
skilllessness
rube
lummox
shrewd
amateur
hidebound
inexpert
hillbilly
bushwhacker
schlubby
palooka
footlessly
jackleg
all thumbs
clampy
yutz
undauntable
slippery as an eel
unsophisticated
klutzy
bad
cack-handed
simpleminded
maladroit
shake and bake
naif
lackadaisical
schlub
dull-witted
uneducably
untalented
not the sharpest tool in the box
addle-brain
addlehead
four oh four
not the sharpest knife in the drawer
indocible
not the sharpest tool in the shed
dub
tenderfoot
feckless
numb-handed
ambisinistrous
clumsily
yokel
gosling
fuckoff
unsophisticate
unversed
lumpkin
weasel
nontalented
deadpan
butterfingers
gormless
indexterity