"Oops-a-daisy" is a playful expression used to express surprise, embarrassment, or discomfort. It is usually said when someone has made a mistake or done something clumsy. Other synonyms for this phrase include "whoops," "oh dear," "uh-oh," "my bad," "oopsie," and "darn it." These expressions vary in tone and level of seriousness, but they all convey the same feeling of regret or unease. Regardless of which phrase is used, they all share the common purpose of acknowledging some form of mistake or slip-up. They are often used in a lighthearted, forgiving manner to lighten the mood and move on from the incident at hand.