pay ‧ dirt /ˈpeɪdɜːt $ -dɜːrt/ BrE AmE noun [uncountable]
hit/strike paydirt American English informal to make a valuable or useful discovery, especially one that makes you rich or successful
pay ‧ dirt /ˈpeɪdɜːt $ -dɜːrt/ BrE AmE noun [uncountable]
hit/strike paydirt American English informal to make a valuable or useful discovery, especially one that makes you rich or successful
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012