An expression of surprise or shock, often used when something unexpected or alarming happens. Yikes! I didn't see that car coming.
An expression of mild fear or concern, typically in response to something unpleasant or undesirable. Yikes, I have a lot of work to do before the deadline.
An expression of embarrassment or awkwardness, often used when something uncomfortable occurs. Yikes, I can't believe I said that out loud.