jump off the deep end



jump off the deep end (over someone or something)

Fig. to get deeply involved with someone or something. (Often refers to romantic involvement.) Jim is about to jump off the deep end over Jane. Jane is great, but there is no need for Jim to jump off the deep end.
See also: deep, end, jump, off

Common Names:

NameGenderPronouncedUsage
Tatienne-French
Ketil-Norwegian
Radmila-Serbian, Croatian, Czech
Hosannaho-ZAN-ə (English)Biblical
Rosa (2)-Bulgarian, Macedonian
TatuTAH-tooFinnish