What is the meaning of Hot_dog?

A frankfurter sausage.

A food item (dish) consisting of a frankfurter or wiener and (usually) a hot dog bun, with toppings such as ketchup, mustard, relish, sauerkraut, onions, cheese, etc.

A show-off or daredevil, especially in such sports as surfing, skateboarding, or skiing.

A battered, deep-fried sausage or saveloy on a stick; a corn dog.

The penis.

A sexually suggestive physical gesture involving hip movement.

Describing the shape of a rectangular piece of paper folded in half so that it forms a long rectangle.

To perform a dangerous or difficult act or stunt as a display of skill or daring, especially in surfing and other sports.

An expression of delight or enthusiasm.

An expression of disappointment.

hot dog (frankfurter in a bun)

hot dog (frankfurter in a bun)

hot dog (the complete snack)

hot dog (food item consisting of a frankfurter or wiener, typically served on a hot dog bun, with toppings such as ketchup, mustard, relish, sauerkraut, onions, cheese, etc.)

hot dog (frankfurter in a bun)

hot dog

hot dog

Source: wiktionary.org