What does this mean?

> **ごにゃごにゃ** と何かを言う
CC BY-SA 3.0
2016-10-17T02:27:19.227
40053
2016-10-17T04:47:33.823
18284
question
translation meaning onomatopoeia
What does this ごにゃごにゃ onomatopoeia mean?
ごにゃごにゃと何かを言う  
He/she is saying something like "gonya-gonya".

ごにゃごにゃ is not a word per se because it is not listed in the dictionary. It is
just a transcription of what that person is trying to say.
CC BY-SA 3.0
2016-10-17T02:34:40.503
40054
2016-10-17T04:47:33.823
2016-10-17T04:47:33.823
18157
18157
40053
answer
ごにゃごにゃ is an onomatopoeia for mumbling, or grumbling.

> ごにゃごにゃと何かを言う  
>  _mumble something ≂ say something indistinctly / something nonsense_
CC BY-SA 3.0
2016-10-17T03:38:35.107
40057
2016-10-17T03:44:10.650
2016-10-17T03:44:10.650
9831
9831
40053
answer
ごにゃごにゃ isn't a commonly seen mimetic word, but understandable as a mixture of
two more frequently used ones.

> ごちゃごちゃ: unordered/messy/jumbled  
>  ごにょごにょ: muttering/mumbling/murmuring

So you could say:

> ごにゃごにゃ: mumble-jumble :P
CC BY-SA 3.0
2016-10-17T04:37:22.333
40060
2016-10-17T04:37:22.333
7810
40053
answer