The term "garbage hound" typically refers to a dog that tends to rummage through garbage or trash looking for food. Some synonyms for this phrase include "scavenger," "dumpster diver," "waste dog," "rubbish hound," and "junkyard pup." Other phrases that describe dogs that search for food in garbage include "trash collector," "curbside forager," and "leftover hunter." While these terms may not sound flattering, some dogs have a natural instinct to search for food and explore their surroundings, making them ideal candidates for other activities, such as search and rescue or tracking. In any case, it's important to ensure that dogs are kept away from potentially harmful substances in the garbage.