"You canker blossom!" 3 Shakespearean Insults
late 14c., twiteren, in reference to birds, of imitative origin (cf. Old High German zwizziron, German zwitschern, Danish kvidre, Old Swedish kvitra). The noun meaning "condition of tremulous excitement" is attested from 1670s. The microblogging service with the 140-character limit was introduced in 2006.