noun

OTP

OTP (noun) means one true pairing: in fandom, the couple a fan is most invested in seeing together. Example: “They have been my OTP since season one.”

noun

informal One true pairing: in fandom, the couple a fan is most invested in seeing together.

"They have been my OTP since season one."

technical One-time password: a single-use code, usually sent by text or generated by an app, used to confirm identity when logging in or paying.

"Enter the OTP sent to your phone."

How to Use OTP

Learner’s notes

In plain EnglishEither a favourite fictional couple, or a single-use security code.

When to use it

Context separates the two cleanly — fandom talk versus banking and login screens.

Study it as flashcards or scroll it in Flow — saved to your collection.

Test yourself on “OTP” A quick quiz — meaning, synonyms & usage →

Fill the Gap

Can you complete this real example?

They have been my _____ since season one.

Etymology

An initialism with two unrelated expansions — "one true pairing" from online fandom, and "one-time password" from computer security.

Origin: English

Frequently Asked Questions

What does OTP mean?

In fandom, "one true pairing" — the couple a fan most wants to see together. In banking and tech it means "one-time password," a single-use code sent to confirm it is really you.

What does OTP mean in banking?

A one-time password: a short code, valid once and usually only for a few minutes, sent by text or generated in an app to authorise a login or payment.