fast
swift
velocitous
velocious
nippy
good lick
pacey
at speed
thirteen to the dozen
at a rate of knots
before you can say knife
before you can say Jack Robinson
quickly
high-tempo
fastish
speediness
quickness
celerity
rapidity
rapidness
like a raped ape
like a scalded cat
like a scalded dog
speedy
snappy
briskly
exponentially
double quick
faster
nineteen to the dozen
quick as a wink
quicker
with dispatch
speedily
double time
on the pdq
hot
rapidly
apace
full tilt
hand over hand
smartish
zippy
A.
before one knows where one is
lickety-split
in quick sticks
turn of pace
ultrarapid
like the wind