From Longman Dictionary of Contemporary Englishjump for joyjump for joyHAPPYto be extremely happy and pleased → jump
Examples from the Corpus
jump for joy• Here he is jumping for joy.• It is, literally, a jump for joy.• No one was jumping for joy because they'd finally got the piece they'd been searching for for years.• He hadn't been exactly jumping for joy to have her here in the first place, as she knew very well.• If they jump for joy today hold off until they sober up again.