exclamation mark (!)
Definition - The name for the ! symbol, which is used in writing to show, for example, emphasis or surprise.

Example -
I can't believe you like peanut butter and onion sandwiches!


1. Don't use more than one in a row unless you are Tom Wolfe.

Don't do this!!!!!

Etymology -
According to Brewers Dictionary of Phrase and Fable, the symbol derives from the Latin Io, joy, with the o written under the I. It was first used in English printing in the 1400s and was initially called the note of admiration.

Oxford English Dictionary -
The first citation that shows the symbol's use is from 1657:
"A note of Exclamation or Admiration, thus noted!"
(J. Smith Myst. Rhet. 271)

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