A swamp buggy is a type of off-road vehicle specifically designed to traverse through swamps and marshy terrain. There are several synonyms for a swamp buggy. One of the popular synonyms is a "mud bogger," which refers to a vehicle used for driving through deep mud and muck. Another synonym is "amphibious vehicle," which is a type of vehicle that can move on both land and water. "All-terrain vehicle (ATV)" is another synonym for swamp buggy, generally used for terrain that is too difficult for regular vehicles. "Off-road vehicle" is also used to describe a swamp buggy, as it is equipped with features like oversized wheels and high ground clearance, which allow it to traverse through rough terrain easily.