A Panchuker is an Argentine

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 hot snack

Snack

A snack is a small portion of food eaten between meals. The food might be snack food—items like potato chips or baby carrots—but could also simply be a smaller amount of any food item.-Snacks and health:...

 that can be bought near some train stations and in some places of heavy pedestrian transit. It consists of a sausage covered with a waffle-like pastry, and has a stick in it (like an ice cream bar

Ice cream bar

An ice cream bar is a frozen dessert on a stick or a candy bar that has ice cream in it. The coating is usually a thin layer of chocolate used to prevent the melting and dripping of ice cream.-History:...

) so that it can be easily consumed. Some variations may be found in Uruguay and other South American countries.

Generally they as offered as low-price fast food

Fast food

Fast food is the term given to food that can be prepared and served very quickly. While any meal with low preparation time can be considered to be fast food, typically the term refers to food sold in a restaurant or store with preheated or precooked ingredients, and served to the customer in a...

 and can only be seen at certain provinces of the inner country, like La Plata, Belgrano, Villa Albertina, Pipo Cipoletti. Is particularly popular in the province of Tucumán. In Buenos Aires

Buenos Aires

Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...

they cannot be found and most people are unaware of their existence they are called there "mistery ot dogs" or invisible hot dogs since no one knows their whereabouts..