What does "oopsy" mean?

A mistake; particularly when babies soil their pants.

What is a synonym for "oopsy"?

Common synonyms include: error.

/ˈuːpsi/ intj, noun, verb, slang

intj, noun, verb, slang ·Moderate ·College level

Noun

1
A mistake; particularly when babies soil their pants. childish
"I have made an oopsy."

Verb

1
To make a mistake, particularly (of a baby) to soil its pants. childish
"I think your baby might have oopsied."

Intj

1
Synonym of oops. colloquial
""Oopsy..." She grabbed the wheel and made a quick recovery. "Sorry.""

""Oopsy..." She grabbed the wheel and made a quick recovery. "Sorry.""

Etymology 1

From oops + -y (suffix forming colloquialisms).

Etymology 2

From oops + -y (diminutive suffix). The verb is from the noun.