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1. To perform daring, showy, often dangerous stunts so as to impress other people. (Usually used in the continuous tense; sometimes hyphenated.) Primarily heard in US. He spent the afternoon hot dogging on his jet ski in front of a young women on the beach.
2. A person who performs such daring stunts. Primarily heard in US. There are always a few hot dog at this park showing off on their skateboards.
3. An exclamation of excitement or pleasant surprise. Primarily heard in US. Hot dog! I can't wait to try out my new motorbike! Our application was approved? Well hot dog!
A person who performs showy, often dangerous stunts, especially but not exclusively in sports; also, a showoff. For example, He was a shameless hot dog on the tennis court, smashing every ball, or She was a hot dog behind the wheel, screeching her wheels at every turn. The relation of this term to the edible hot dog is unknown. [Colloquial; c. 1900]
2. Also, hot diggety dog; hot diggety. An interjection expressing delight or enthusiasm, as in Hot dog! What a great gift, or Hot diggety! We got the best concert tickets after all. [Slang; c. 1900]
exclam. Wow! Hot dog! It’s my turn.
See also: hot