Jocular slang expression of thanks, derived from あざまる (itself a playful shortening of ありがとう) combined with 水産 for humorous effect. Used in very casual, friendly contexts, often online or among young people.
A humorous extension of the slang あざまる (a playful shortening of ありがとう), with 水産 added for comedic effect, possibly from a meme or online trend. The exact origin is uncertain.
