(idiomatic) to take on a fight; lit. to buy a fight

buy on credit

stocking up

stock up

(slang) Of an adult, buying (chiefly childish) things in great amounts (due to newfound purchasing power).

(slang) To do the above.

buying on credit; credit purchase

to buy on credit; to buy on account

to displease someone (due to one's speech or conduct), to be frowned upon

a machine, a device; a contraption / a loom / an opportunity, a chance to do something; the right time or moment / something of great importance: the linchpin of the matter