My accountant told me my expenses were through the roof.

This joke hinges on a clever play on words and a dose of relatable irony. The setup uses the common idiom "expenses were through the roof," which means costs are extremely high. The humor kicks in with the punchline, taking that idiom literally. Instead of the accountant referring to exorbitant spending, the speaker interprets it as the physical cause of their high expenses: a literal hole in the roof that's costing them money they don't have. This literal interpretation creates an unexpected and amusing twist.

The real-world context for this joke is something many people can unfortunately relate to: the constant battle with finances and the often-unexpected costs of homeownership. Dealing with an accountant often means facing the cold, hard facts of your financial situation, and few things are as universally dreaded as an expensive, unforeseen home repair, like a leaky roof. The inability to afford a necessary fix, even one that could save money in the long run, is a common and frustrating predicament, making the joke's underlying struggle feel very real.