taunter

Noun

A person who challenges or reproaches sarcastically.
One who taunts.

Examples

My fellow player was a taunter, always bragging about their high scores.

Origin / Etymology

From taunt + -er.

Scrabble Score: 7

taunter: valid Scrabble (US) TWL Word
taunter: valid Scrabble Word in Merriam-Webster MW Dictionary
taunter: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 9

taunter: valid Words With Friends Word