(informal, slang, US, with indefinite article) Something which should not or cannot be done.

(countable) Promised future actions or achievements.

(informal) To misbehave, to carry on. / (informal) To proceed, to make progress.

Present participle of go at it.

(colloquial) used to accept an offer / Used other than figuratively or idiomatically: see go on, then. (proceed)

(rare, informal) The state or condition of being on the go.

(slang) Motor fuel. / (slang) Any energizing drink, alcoholic or otherwise.

(finance) A fund offering potentially high returns but with very high risk.

plural of go-go fund

The words often used by an auctioneer to indicate that an auction is closing with the convention that once the word "gone" is said no further bids will be accepted.