gnaw at

to gnaw at - something worries you and you are upset by it

go ape

to go ape - become very angry or excited

go at

to go at - do something rigorously and with enthusiasm

go AWOL

to go AWOL - when something or someone is lost or missing

go ballistic

to get very angry

go ballistic

to get very angry

go belly up

to go belly up -to fail (of a business or project)

go bust

to go bust - to go out of business, go bankrupt

go down in history

to go down in history - be remembered for a long time

go Dutch

go Dutch - split the cost of a meal or evening at the pub