What part of speech is swifty?

"Swifty" can be a few different parts of speech, depending on how it's used. Here are some possibilities:

* Adjective: This is the most common use, describing something or someone as swift or quick. For example: "He was a swifty runner."

* Noun: "Swifty" can be a nickname for someone named Swift, or it can be a slang term for someone who is quick or agile. For example: "That swifty got away with the stolen goods."

* Adverb: While less common, "swifty" can also be an adverb meaning quickly or swiftly. For example: "He moved swifty through the crowd."

To determine the part of speech, you need to look at the context in which it's used.