twit

Short definition from Wiktionary

Verb

1. 1
   To blame or reproach (someone), especially in a good-natured or teasing manner; also, to ridicule or tease (someone).
2. 2
   To criticize or disapprove of (something), especially in a good-natured or teasing manner.
3. 3
   To ignore or kill file (a user on a bulletin board system).
4. 4
   Followed by it: to speak or write (something) in a taunting or teasing manner.
5. 5
   To blame or reproach, especially in a good-natured or teasing manner.
6. 6
   To be indiscreet; to gossip.

Noun

1. 1
   A jibe, reproach, or taunt, especially one made in a good-natured or teasing manner.
2. 2
   An annoying or foolish person.
3. 3
   A person who chatters or gossips inanely; a chatterer, a gossip or gossiper; also, a person who divulges private information about others or is indiscreet; a tattletale.
4. 4
   A short, high-pitched call of a small bird, or a similar sound made by something else; a cheep, a chirp, a tweet.
5. 5
   Chiefly in the form in a twit: clipping of twitter (“a state of excitement or nervousness”).
6. 6
   Clipping of twitter (“a knot or other defect in a thread or yarn which hinders spinning or weaving”).

Interjection

1. 1
   Used to represent the short, high-pitched call of a small bird, or a similar sound made by something else: cheep, tweet.