Awesome; sweet; excellent. Those M&M's were jibba.
Jibba Jabba
BRITISH CHILDREN'S TELEVISION SERIES
Jibba Jabba (Children's TV Series)
Some talk so damn much you just want slap them. This was mainly used by Mr.T. She needs to shut up talking all that Jibba Jabba.
Wikipedia
Jibba
The jibba or jibbah (, romanized: jubbā), originally referring to an outer garment, cloak or coat, Arabic-English dictionary Reverso |url=https://dictionary.reverso.