hyperboler
Hyperboler is a neologism formed by adding the agentive suffix -er to hyperbole. It does not have a fixed entry in major dictionaries and is used primarily in informal, limited contexts. The term can function as a descriptor for a person who habitually uses hyperbole, signaling a tendency to exaggerate claims or descriptions. In writing and online discourse, a hyperboler may be invoked humorously to label someone known for overstatements or to characterize a style of humor that relies on exaggeration.
In addition to describing people, hyperboler can appear as a fictional name for devices, characters, or gimmicks
Etymology and usage notes: the word is formed from hyperbole plus the common agentive suffix -er, following