1. a device, either external or implanted, that substitutes for or supplements a missing or defective part of the body. 2. Grammar,Prosody. the addition of one or more sounds or syllables to a word or line of verse, esp. at the beginning.
it means they would not care if someone was as mean to you as mean as they were to you. sometimes it means they do and its just that they are too insecure to tell the truth and use childish anticks...