You searched for: “ironist”
ironist (s) (noun), ironists (pl)
A person who uses language that normally signifies the opposite; typically, for humor or to emphasize a point: Susanne was an ironist who used words that were funny because they were not what she really meant.

Herbert is an ironist who brushes his teeth with "tongue in cheek".

Ironists are people who strike when the irony is hot.

—Compiled from Esar's Comic Dictionary by Evan Esar.
This entry is located in the following unit: iron-, ironi- (page 1)