push against an open door
carry coals to Newcastle
get blood out of a stone
pound sand
lay to
want
piss up a rope
plow the sands
stultification
deadening
impairment
constipation
go
turn to
reach
piss in the wind
futility
cut bait
fanny about
putter around
chase a rainbow
putter about
polish a turd
waltz
manage
prat about
trick
stroll
whistle in the wind
waste of time
fart-arse
flatfoot
dare
daring
scratch one's own itch
work at
work on
piffle
go to town on
put one's shoulder into
get ideas
have a crack at
would-be
get down to business
get over
break a sweat
home
punk out
endeavor
dilly-dally
make free with
gird
pull the trigger
think no end of oneself
jack off
overkill
nail Jell-O to a tree
go after
fart
give something a try
egg on
recommendation
mug's game
avoid
save
noodle
toy with
glom on
call it quits
commit
boondoggle
put one's mind to it
run adrift
zeal
run around like a chicken with its head cut off
force
wangle
gird up one's loins
purchase
neutralize
steer
see one's way clear to
assay
displacement activity
strive
coax
louse around
useless
wangling
mint
set
put into practice
stymie
knack
laze
dally
twiddle one's thumbs
stand by
in passing
en passant