(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

(automotive) overdrive / (golf) outdrive

overcoat

an overall (protective garment worn over clothing)

(finance) exceeding a benchmark price, exceeding a valuation estimate, overshooting the mark / a sudden increase, an eruption

overreaction