too many balls in the air
backlogged
faff
overtask
overburden
too many cooks spoil the broth
scut work
put it to
chase one's tail
employ a steam engine to crack a nut
laundry list
long row to hoe
overworked
overbusy
overtedious
make a meal of
daily grind
superserviceable
overcommitted
squirrel cage
flood out
overwhelm
deluge
plow on
queer someone's pitch
drudgery-ridden
compulsive streak
overorganize
tasky
intractable
one thing after another
burdened
time-poor
pull teeth
grind
diligent
up to one's neck in alligators
time-consuming
overdeal
overdiligent
overreactive
overadminister
half the battle
disorganized
mission impossible
skittish
overprogrammed
precrastination
overburdened
gunner
litany
overwork
spread oneself thin
recalcitrant
hassly
a bridge too far
hard yards
overreadiness
enmesh
overchallenge
plough on
make unnecessary
dink
save
burn out
sloggingly
too many chiefs and not enough Indians
ungainly
overinvolved
overhelp
misconduct
burdensomeness
all work and no play makes Jack a dull boy
incorrigible
mishandle
plow the sands
longsome
exploit
in the throes of
mismanage
scant
faffy
overinvolvement
frob
heaviness
take one's sweet time
oppressiveness
entangled
overprogram
over the river and through the woods
skimp
drudgery
forset
onerousness
hyperfunctioning
wasteful
uneconomical
overburdensome
overdesigned