go to the dogs

all dressed up and nowhere to go

Elaborately attired or otherwise fully prepared for an anticipated situation or activity which, nevertheless, fails to occur.

all systems go

Everything is ready.

as you go

While one is doing (something); as one progresses.

boldly go where no man has gone before

To break new ground.

call off the dogs

To ease up on after inflicting great punishment.

come and go

To repeatedly appear and disappear; to be transient.

dogs bark, cats meow

Used to introduce something seen as inevitable or totally commonplace.

don't go there

Do not broach that topic.