Hot dog tattoo means novelty and comfortable life. Hot dog is a way to eat ham sausage. A whole bread or sandwich with sausages is called a hot dog. It has nothing to do with the dog itself. It's just a name for bread. Hot dogs can be served with many kinds of ingredients.
There are other changes in hot dogs. The one with cheese is called "cheese hot dog", or directly "cheese dog". Those with chili sauce are called "spicy dogs". The first two are called "spicy cheese dog". A fried hot dog wrapped in corn syrup and inserted with a small bamboo stick is called a corn dog. Affected by different eating habits in different places, hot dogs use different materials and traditionally use Frankfurt sausage.