She delivered the joke with a dead-pan expression.

She delivered her lines dead-pan.

He delivered the punchline with a dead-pan expression.

She dead-pans her jokes, making them even funnier.

She delivered the joke with a dead pan expression.

She delivered her lines dead pan.

He delivered the punchline with a dead pan expression.

She dead pans her jokes, making them even funnier.

She dead-panned her response to the joke.

She was dead panning throughout the entire comedy show.