shortcomer
not hit a cow's arse with a banjo
shortcoming
underachieve
shortfalling
bottler
nonachievement
nonaccomplishment
unhopeful
downstat
wimp
loser
counterproductive
unsuccessful person
washout
nonstarter
failure
nonachiever
dead-ender
nonqualifier
chicken
loserdom
crybaby
frustration
slackener
slowcoach
underachievement
slouch
defeat
no-hoper
wannabe
difficulty
overshooter
unfulfilled
overstepper
unaspiring
would-be
lacker
lag behind
miss
born loser
ambitionlessness
lag
maladroit
underachiever
lesser mortal
unambitious
mediocrity
fall back
three-time loser
nonscorer
slacker
ambitionless
fake the funk
go nowhere
never-would-be
tubelight
hit the rocks
overstayer
odd bod
cowardly lion
indirectness
unfulfillment
indirection
lost soul
underestimator
bump in the road
inferior
trip
never-wozzer
shiftless
dud
defaulter
never-was
nonsubmitter
flop
sack of flesh
cream puff
lowballer
fail
loserish
flopper
lame duck
struggler
amateur
underpuppy
nearly man
dim bulb
nonplanner
falterer
always a bridesmaid, never a bride