Very quickly; without delay.

(idiomatic) To tell or create a story, especially one which is lengthy or far-fetched.

(Australia, simile, colloquial) Having eaten too much. / (Australia, colloquial, by extension) Very drunk.

Alternative spelling of nutty as a fruitcake

(simile) Having no ties; completely free.

(idiomatic) To make a mistake.

(simile) Extremely nervous.

(Britain, informal) Used as a fatuous excuse to avoid doing something.

(idiomatic) to pay careful attention to a situation or a thing, so that you can deal with any changes or problems.

(simile, colloquial) extremely good or well