English · Slang Attested 18+

funny business

In real, traceable use. Part of the curated seed collection; community review is coming.

Both English Tiếng Việt

Meaning · English

Sexual intercourse or other sexual activity.

Nghĩa · Tiếng Việt

Hoạt động tình dục

Machine-translated — suggest a fix

Where it’s used: Used American English

‘I’ll be square with you. No funny business.’

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “funny business” mean?

Sexual intercourse or other sexual activity.

Is “funny business” formal or informal?

funny business is generally slang.

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