Big-Note is a verb.

What is the meaning of big note?

verb. Australian informal to boast about (oneself)

What is the word of note?

noun. English Language Learners Definition of note (Entry 2 of 2) : a short piece of writing that is used to help someone remember something. : an informal written record of things that are said and done. : a short piece of writing that gives you information : a brief comment or explanation.