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An exclamation of excitement or pleasant surprise. Hot damn! I can't wait to try out my new motorbike! Our application was approved? Well, hot damn!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Inf. Wow!; Hooray! (An exclamation of surprise and delight.) Hot damn! I just won a vacation trip to Florida!
See also: hot
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.