full tilt
at a rate of knots
nineteen to the dozen
prestissimo
hot
exponentially
blazingly
lightningly
lightning fast
quick as a flash
volley
in no time
full pelt
mile a minute
briskly
like winkin
apace
post-haste
before you can say Jack Robinson
before you can say knife
lickety-split
like a rat up a drainpipe
with a quickness
before one knows where one is
at speed
velocious
rap
ultrarapid
pacey
splitting
like a dose of salts
hand over hand
superspeedy
nippy
quick
quickly
velocitous
forthright
high-tempo
by the minute
quicksmart
with dispatch
one-two-three
quick as a wink
jildi
superquick
hell-for-leather
on the pdq
chop-chop
smartly
speedily
thirteen to the dozen
like sixty
in quick sticks
at full tilt
zippy
fastly
faster than Minute Rice
ultraquick
quicklike
blazing
like winking
blistering
dartingly
furiously
in a jiffy
superfast
like a scalded dog
swift
like a raped ape
hyperfast
like shit through a goose
like a scalded cat
sharpish
quicker than scat
lightning-quick
feverishly
at full throttle
quick-handed
speedingly
streak
toot suite
shoot
belive
breeze
quickest
fastish
mile-a-minute
fastest
good lick
fast
rapidly
rake
whip through
rattle through
overspeedy