Question

which of the following is an informal definition of hot dog?
dogs ranked: 1) real dogs, 2) bagel dogs, 3) hot dogs.
the use of hot dog to describe someone showing off their athletic skills dates back to the surfing culture of the 1960’s. some suggest it came about because beachgoers would eat hot dogs while watching the action offshore.
worried that the high - spirited skiers would hurt someone while goofing around and showing off their moves, the ski patrol shouted at them to stop the hot dogging.
hot dog is a versatile word that may be a noun referring to a mild sausage, a verb meaning to perform in a flashy manner, or even an interjection expressing excitement or pleasure.

Explanation:

An informal definition is a more casual, non - technical way of defining something. The first option "Dogs ranked: 1) real dogs, 2) bagel dogs, 3) hot dogs" uses a humorous and non - technical (ranking of "dogs" in a non - traditional sense) approach to refer to a hot dog. The second option is about the etymology (origin) of the term. The third option is a usage example in a sentence. The fourth option is a more formal, dictionary - like definition of the word "hot dog" as a noun, verb, and interjection.

Answer:

Dogs ranked: 1) real dogs, 2) bagel dogs, 3) hot dogs.