baiter in English dictionary baiter Meanings and definitions of "baiter" Agent noun of bait; one who baits, as with a fishhook. Someone in an Internet discussion group who deliberately posts aggravating messages on a message board. noun Agent noun of bait; one who baits, as with a fishhook. noun (Internet, slang) A troll who deliberately posts aggravating messages on a message board to elicit responses. more Grammar and declension of baiter baiter ( plural baiters) baiter (plural baiters) more Sample sentences with "baiter" Declension Stem Try again Available translations French German Persian Polish Russian Authors