funny business

(informal)

dishonest or unpleasant actions If you try any funny business you'll be sorry.

Deceit, treachery, unethical conduct. For example, We suspect their outfit has been up to some funny business. [Colloquial; c. 1880]

verb

Name	Pronounced	Usage
Kaelyn	KAY-lin	English (Modern)
Neirin	-	Welsh
Kalidas	-	Indian, Hindi
Djehuti	-	Egyptian Mythology
Barnett	['ba:nit]
Molle	-	Medieval English