oof

About 0.07 uses per million words.

Meaning

interjection A sound mimicking the loss of air, as if someone's solar plexus had just been struck.
interjection Synonym of ouch (“expressing sympathy at another's pain, shock at a high price, etc.”).
noun A sound made in pain, as when expelling air after being struck.
noun Something cringeworthy, or which arouses disappointment; often used in conjunction with the qualifier big.
That is a mega oof.
noun Money. .mw-parser-output .defdate{font-size:smaller}