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. Hot dog! I can't wait to try out my new motorbike! Our application was approved? Well hot dog!
exclam. Wow! Hot dog! It’s my turn.
See also: hot