Alternative form of 15 megabytes of fame

(Canada, US) To spend one's money carefully and sparingly, so that it lasts; to be thrifty.

(advertising) An agency's fee of 15% commission on the gross charge for advertising space and time, minus 2% of the net amount as a discount for prompt payment.

(UK, fandom slang) The practice of adding swearing to an English anime dub in order to get a higher age classification, which may attract more buyers.

plural of sweet fifteen

(nautical) Having fifteen masts.