Bollywood being in Maharashtra (a Marathi speaking state), it inherited that word into its Hindi vocabulary as a "cool-happening" style statement; all such similar words from Marathi used to be recognized in Marathi as Tapori language (i.e.
Bollywood, situated in Maharashtra, a Marathi-speaking region, incorporated the term "cool-happening" into its Hindi lexicon.  Words of this nature originating from Marathi were previously classified as part of the Tapori language within Marathi.