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
Nicolasa	nee-ko-LAH-sah	Spanish
Driver	['draivə]
Elke (1)	EL-kə (Dutch)	Dutch, German, Frisian
Lindy	LIN-dee	English
Boghos	-	Armenian
Vipin	-	Indian, Hindi, Marathi, Malayalam