Here is how "Bambaiyya Hindi" and "tapori" is described in Wikipedia. Marathi speaking persons brought up in Mumbai and exposed to multi-culture there can closely relate to this.... like no one else.
Bambaiyya Hindi
Bambaiyya Hindi or Bombay Hindi is a vernacular form of Hindi spoken primarily in Mumbai (Bombay, formerly). On the streets of Mumbai, people from every part of India co-exist. Their inter-mingling has created a language that has Hindi as a base, but includes words and pronunciations from other languages such as English, Marathi and Gujarati, as well as languages from South India (as evident from the use of the word "Tambi", which is Tamil).
An example: Abe saale dhakkan, kyon time khoti kar rahela hai? Cut to cut baat karne ka, apun ko faltu bakbak karne ka aadat nahin hai. Jo kuch kehna hai, jaldi kar aur phoot le. Here, the Hindi sentences have been studded with Marathi and some English. This is very common amongst college students in Mumbai.
Bambaiyya Hindi may be objectionable to conservatives, but it can be argued that it has a rhythm, and pithiness of its own. The pithiness, incidentally, may come from the use of clichs and canned phrases such as "cut to cut baat karne ka" (to speak concisely or briefly) and "time khoti mat kar" (do not waste time). The colourful phrases in Bambaiyya Hindi also convey what is known as a 'street sensibility' and a sense of disdain for courtesies. A form of Bambaiyya Hindi usually sprinkled with an ample amount of double-entendres and/or expletives is associated with the marginal and/or poor young.
Bambaiyya Hindi relates to mainstream Hindi the way Cockney relates to "proper" English and "Brooklyn English" relates to New York. Incidentally, young, renegade and/or broody characters in Indian films often speak Bambaiyaa Hindi. The Mumbai underworld slang known as Tapori is Bambaiya Hindi with special coding for certain words.
Tapori
Tapori literally translates into vagabond or rowdy in Hindi. Street thugs in Mumbai were perhaps the most notable taporis. Their unique style of speaking Hindi was called tapori language. They also had a unique style of dressing, which they called as tapori style. Tapori culture though resented by many is widely imitated by many as humorous or comical. It has found acceptance in Bollywood films. They are the equivalent of gangstas in Hollywood films. Their style of speaking Hindi is a mixture of many languages spoken by people in Mumbai. It has words adapted mainly from Marathi , and some from Kannada and Tamil. It also has a few Hindi words spoken by people of Bihar and eastern Uttar Pradesh due to heavy migration of these people to Mumbai city.
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PS: aapun ko yeh tapori bhasha ekdum zakas lag rahila hai re....
kya funtush style hai, bole to ekdum rapchik....kya bolta?