What is iffy?

It looks like you're asking about "iffy," but it's a bit unclear what context you're referring to. "Iffy" can have several meanings, depending on the context:

1. Adjective: In everyday language, "iffy" is an informal adjective used to describe something that is uncertain, unreliable, or doubtful. For example, someone might say, "The weather looks iffy today," meaning the weather is unpredictable or not promising.

2. Technology or Software: There might be applications, tools, or coding practices that include "iffy" in their name or description. For example, in JavaScript, an "IIFE" (Immediately Invoked Function Expression) might colloquially be referred to as "iffy."

3. Name or Branding: "Iffy" could be a name of a brand, product, or even a public figure. Without additional context, it's hard to give detailed information on this.

If you had a specific field or context in mind, providing more details would help in giving a more precise and useful answer.