Definitions
1.nounA reproach, gibe or taunt.
2.nounA foolish or annoying person.
3.nounA euphemism for "twat", a contemptible or stupid person.
4.nounA person who twitters, i.e. chatters inanely (see usage notes).
5.verbTo reproach, blame; to ridicule or tease.
6.verbTo ignore or killfile (a user on a bulletin board system).