jump for joy

bundle of joy

A newborn baby.

go jump in the lake

Used to tell someone to go away, or that their request will not be met.

go jump off a building

Used to tell someone to go away, or that their request will not be met.

go jump off a cliff

Used to tell someone to go away, or that their request will not be met.

jump at

To accept something enthusiastically. Usually an opportunity, or chance, or job etc.

jump at the chance

To immediately accept an offer; to seize an opportunity.

jump at the opportunity

To immediately seize a particular opportunity.

jump before one is pushed

to perform an action before being forced to do so.