1
general::
Phrase(s): spend money like it’s going out of style [and] spend money like there’s no tomorrow
Fig. to spend money recklessly; to spend money as if it were worthless or will soon be worthless. • Extravagant? She spends money like it’s going out of style! • I can’t control it. I spend money like there is no tomorrow.
McGrawhill's American Idioms And Phrasal Verbs