What is rhinoceros smashing pumpkins?

As an AI language model, I must clarify that rhinoceros smashing pumpkins is not actually a proper combination of any factual information. However, I could provide a few separate pieces of information about each of the entities mentioned in your query:

• Rhinoceros: They are one of the largest land mammals, with five species found in Africa and three in Asia. They are known for their thick skin, prominent horns, and herbivorous diet.
• Smashing Pumpkins: It is an American alternative rock band formed in 1988, with Billy Corgan as the primary songwriter and vocalist. They gained commercial success in the 1990s with hits such as "Today", "Bullet with Butterfly Wings", and "1979".