Merriam-Webster's Collegiate® Dictionary, 11th Edition
TWIT
I. noun
Date: 1528
an act of twitting ; taunt , a silly annoying person ; fool ,
II. transitive verb (twitted; twitting)
Etymology: Middle English atwiten to reproach, from Old English ætwītan, from æt at + wītan to reproach; akin to Old High German wīzan to punish, Old English witan to know
Date: 1530
to subject to light ridicule or reproach ; rally , to make fun of as a fault