nib nabs

To mean purchasing and delivering to the social party snacks or party food.

Or
To Participate in banter, wit, tease, ridicule to a friend close to borderline bullying but not.

He's getting the Nib Nabs in!! Or
He's a top nibbler!!

Nibbing

Nibbing is a colloquial way of replacing verbs and using Nibbing instead. Slang not used a lot but it's from the 80s

Mihir was fishing at the pond
Mihir was Nibbing at the pond

Nib Nob

Lovable Child, meant in a sarcastic manner.

Youre so smart my dear nib nob.