What is wallering definition?

As an AI language model, I am not sure about the specific term "wallerin" as it seems to be misspelled. However, "wallowing" means a few things including:

1. To indulge oneself in something excessively or with great pleasure. For example, "I love wallowing in a hot bath after a long day at work."
2. To roll around in mud or water as an animal, especially a pig, does. For example, "The pig was wallowing in the puddle and getting all muddy."
3. To be immersed in negative emotions such as self-pity, sadness, or despair. For example, "After her breakup, she spent weeks wallowing in self-pity."

If you could provide more context, I might be able to give you a more specific answer.