thirteen to the dozen
exponentially
nineteen to the dozen
fast
like a raped ape
like a scalded cat
like a scalded dog
full tilt
quick as a wink
with dispatch
on the pdq
speedily
volley
hot
good lick
at a rate of knots
at speed
rap
like a dose of salts
before you can say Jack Robinson
hand over fist
like sixty
before you can say knife
like a rat up a drainpipe
velocious
fastish
on fire
mile a minute
with a quickness
in no time
furiously
apace
full pelt
splitting
like winkin
prestissimo
quickly
hand over hand
at full tilt
ultrarapid
lightning fast
lightningly
blazingly
quick as a flash
pacey
rapidity
quickness
speediness
rapidness
celerity
like the wind
nippy
swift
jabber
in quick sticks
quick-handed
hyperaccreting
snappy
briskly
rapid
overquickly
superspeedy
prolifically
rapidly
velocitous
speedfully
quick
speedingly
feverishly
superquick
before one knows where one is
sharpish
run
by the minute
lickety
jildi
quicksmart
smartly
chop-chop
one-two-three
zippy
storm out of the blocks
blistering
faster than Minute Rice
amain
overspeedy
forthright
blazing
rush
in a jiffy
elegantly
stamp
swaggeringly
spam
lively