'jump off' definitions:

Definition of 'jump off'

(from WordNet)
verb
Set off quickly, usually with success; "The freshman jumped off to a good start in his math class"
verb
Jump down from an elevated point; "the parachutist didn't want to jump"; "every year, hundreds of people jump off the Golden Gate bridge"; "the widow leapt into the funeral pyre" [syn: jump, leap, jump off]