(Internet slang, childish) A dog, especially one that is beloved or cute.

It is lucky (that)

Dated form of good heavens.

(obsolete, dated, UK) To be in an fortunate or favorable position; to be in an ideal state.

To utter the farewell “good night”.

plural of good boi

(idiomatic) Without any apparent cause or justification.

plural of good run

(idiomatic) Success over an extended period.

Start off on a good note to reap the benefits at the end.