wibble [UK] 1. n.,v. Commonly used to describe chatter, content-free remarks or other essentially meaningless contributions to threads in newsgroups. "Oh, rspence is wibbling again". Compare {humma}. 2. One of the preferred {metasyntactic variable}s in the UK, forming a series with `wobble', `wubble', and `flob' (attributed to the hilarious historical comedy "Blackadder").