to begin doing something or become active suddenly and very quickly.

Alternative form of you can't put the toothpaste back in the tube

Alternative form of throw a spanner in the works.

(transitive) Synonym of put into practice

Synonym of knock into a cocked hat

(idiomatic) To depart and fade into obscurity.

(transport) (especially of a train) To arrive at. / (often passive) To involve someone in a difficult situation, especially when they are resistant to taking part.

Third-person singular simple present indicative form of knock into a cocked hat

present participle of knock into a cocked hat

simple past tense and past participle of knock into a cocked hat