exclaimer
/ɪkˈskleɪmər/
noun
- A person who exclaims, especially one who speaks out loudly or emotionally.
- The crowd was full of exclaimers, cheering and yelling after the goal.
- As an enthusiastic exclaimer, she always made her feelings known at concerts.
- The exclaimer in the back of the room startled everyone with his sudden shout.