A will is a dead giveaway

This quick quip hinges entirely on a delightful bit of wordplay, specifically a pun that twists the common idiom "dead giveaway." Normally, a "dead giveaway" refers to something that unmistakably reveals a secret or intention, like a tell-tale sign. However, this joke cleverly reinterprets the phrase by linking it directly to a last will and testament – a legal document that literally gives away a deceased person's possessions. The humor comes from the sudden, unexpected literal interpretation of a familiar phrase.

A will, in the real world, is a very serious document, meticulously detailing who gets what after someone passes on. It's a final declaration, and once the person is, well, *dead*, their wishes are indeed given away. The punchline, "No one can argue with that," perfectly seals the deal, as once a will is legally enacted and its creator is gone, there’s little room for debate about the "dead" part of the giveaway. It's a neat little bow on the pun, making the obvious undeniable.

Ultimately, this one-liner is a masterclass in concise humor, taking a phrase we all know and giving it a morbidly amusing double meaning. It's the kind of joke that makes you groan and chuckle at the same time, appreciating the simple yet clever linguistic trickery.