Green’s Dictionary of Slang

— now (and) — later phr.

[the locus classicus is the film Live Now, Pay Later (1962), satirizing the ‘hire-purchase’ boom of the late 1950s–early 1960s; its screenwriter Jack Trevor Storey publ. a novel of the same name in 1963]

used in various phrs. implying that someone can act (usu. pleasurably) now and take responsibility, usu. in the form of payment, in due course.

[UK]Lindsay & Story [title] Live Now Pay Later.
Moneyextra.com 🌐 Can the ‘live now, pay later’ society keep on spending?