Exagerative 

To react wildly and or put on a display of emotion which is exagerated to such a degree that the display or reaction becomes completley unrealistic

Joe was being super exagerative over the getting rick rolled for a third time. There was no need for him to throw is computer at Mary and run aorund the office shouting Mel Gibson quotes

Exagerative by Red The Machine August 19, 2010

exagerationist 

derived from the term exagerator,
refers to a person who all constantly exagerates everything they say and do, almost like a proffession.
he/she is an exagerationist.

Lee is an exagerationist.

exagerationist by melissa p July 16, 2004

exaggerative 

being hyperbolic; descriptive version of exaggerated

He loves being exaggerative when we hangout.

exaggerative by evonator December 1, 2021