Definition of doubloons:
(n) :
(historical, numismatics) A former Spanish gold coin, also used in its American colonies. [from early 17th c.]
(n) :
(Canada, slang, numismatics) Clipping of doubloonie. [(Canada, slang, numismatics) A Canadian two-dollar coin; a toonie.]
(n) :
Alternative form of dabloon (“fictional currency”). [(Internet slang, neologism) A fictional currency among certain TikTok users, earned and lost by random encounters while scrolling, and associated with pictures of cats.]