Definition & Meaning of "and I oop"in English

What does "and I oop" mean in reaction slang?

The phrase "and I oop" is used to express sudden surprise, embarrassment, or reaction to something unexpected or awkward. The structure is a fragmented, spontaneous exclamation derived from a viral interruption in speech, turned into a meme phrase. It is informal internet slang commonly used to signal being caught off guard or reacting to a moment of shock, humor, or awkwardness.