Sentences with Funny Business

The children giggled, convinced that their mischievous teacher was up to some funny business during the surprise test.

The magician's performance was filled with humor and a touch of funny business that left the audience in stitches.

During the negotiations, both parties accused each other of engaging in funny business to gain an unfair advantage.

The scientist noticed some funny business in the experimental results and decided to reevaluate the entire research methodology.

The comedian's routine was lighthearted, but there was an underlying layer of funny business that only the sharp-witted audience members caught.

The spy suspected that there was funny business happening behind the scenes, threatening national security.