(Canada, US, informal) In a hurry.

simple past tense and past participle of jump in

Third-person singular simple present indicative form of jump in

Third-person singular simple present indicative form of jump on

present participle of jump on

present participle of jump in

(idiomatic, derogatory, colloquial) Used to tell someone to go away, or that their request will not be met.

(idiomatic) To start with fright.

(informal) To commit oneself wholeheartedly.

(colloquial) An extra seat in an aircraft cabin or cockpit for someone other than a passenger. / (dated) A movable seat in a carriage.