post-haste
quicker than scat
in quick sticks
leg it
bundle
vamoose
with a quickness
whip and spur
scurrying
hurrying
on the jump
superspeedy
toot suite
post
rushingly
hurryingly
zippy
spur
streak
fall over one's feet
in haste
hying
besharp
like a rat up a drainpipe
amain
fly
splitting
in a jiffy
flying
fast-flying
briskly
shift
hand over hand
forthright
mile a minute
prestissimo
superquick
speedfully
in no time
like winkin
full pelt
quick as a flash
like a raped ape
rush
spin
like a scalded dog
good lick
hare
hie
lightningly
whurry
fastish
lightning fast
like a scalded cat
blazingly
wallop
apace
quicksmart
chop-chop
volley
exponentially
before one knows where one is
jildi
pacey
bucket
in a hurry
one-two-three
smartly
hurriedly
book
hot
go great guns
velocitous
at full tilt
bear-a-hand
before you can say Jack Robinson
tearing
before you can say knife
belive
full tilt
nippy
fast
get a wriggle on
alacritous
get a wiggle on
fast-moving
haul ass
hurried
velocious
get one's butt somewhere
zip by
fastgoing
fly by
precipitated
at a rate of knots
speedful
whisk by