Use 'deadpan' when someone's serious expression contrasts with humorous or ironic content being shared. Despite the absurdity of the situation, she remained deadpan.
Pro Tip 2/3
Unexpected Humor
'Deadpan' often signals that humor is present without the usual cues of laughter or smiles. His deadpan remark caught everyone off guard, then they burst into laughter.
Pro Tip 3/3
Comedic Effect
A deadpan expression can make a funny situation funnier by creating a juxtaposition. She kept a deadpan expression while describing the comically disastrous date.