deadpan

deadpan

- an expressionless or emotionless face

My friend had a deadpan expression when he told us the story


dead·pan (ddpn)
n.
1. A blank, expressionless face.
2. A person, especially a performer, who has or assumes a blank expression.
adj.
Impassively matter-of-fact, as in style, behavior, or expression: deadpan delivery of the joke.
adv.
With a blank, expressionless face.
v. dead·panned, dead·pan·ning, dead·pans
v.tr.
To express in an impassive, matter-of-fact way.
v.intr.