WIBBLE
Etymology 1
Unclear; possibly originates in the British Roger Irrelevant comic strip, then popularised by Your Sinclair magazine and the comedy Blackadder.
Noun
wibble (uncountable)
(British, slang) Meaningless or content-free chatter in a discussion; drivel, babble.
(British, computing) Used as the name of a metasyntactic variable.
Verb
wibble (third-person singular simple present wibbles, present participle wibbling, simple past and past participle wibbled)
(British, Internet slang) To make meaningless comments.
Etymology 2
Verb
wibble (third-person singular simple present wibbles, present participle wibbling, simple past and past participle wibbled)
(US, informal) To be overwhelmed by emotion and take on a childish expression with a quivering lips and chin.
Source: Wiktionary