My beloved and ever present copy of Merriam-Webster tell me the following:
ain't \'Änt\ [contr. of are not] (1749)
1 : am not : are not : is not
2 : have not : has not
3 : do not : does not : did not --- used in some varieties of Black English
Perhaps from dONKey's Years ...
The word "honcho" is believed to have originated from Japanese slang, where it means "leader" or "boss." It was adopted into English slang, particularly during the American occupation of Japan after World War II.
The word "quid" is believed to have originated from Latin, where "quid" meant "what." It later evolved in British slang to refer to the British pound, and is now commonly used as a slang term for money in general.
Bro would be a slang word for brother
The exact origin of the word "dork" is uncertain. It is believed to have first appeared in American English slang in the 1960s, possibly derived from the Scottish term "dork," meaning a simpleton. It is now commonly used to describe someone who is socially awkward or inept.
The word 'aint' is a slang term, derived from word "isn't:" the word 'aint' is used due to laziness and a lack of enunciation of the individual components of the word.
AfricanAmerican gang slang for "I agree." Or "That's right"
Absolutely not.It is an American slang word with echoic origin.
Skivvies. Origin is military slang.
It orginated from the English word "jolly", referring to a joyful atmosphere.
It is a slang word for very good and successful referring to plays, musicals or films. Or a person who has extensive skill in a particular field. Origin not known.
A fin (short for "finnif") is slang for a five-dollar bill. It is derived from the Yiddish word for "five" ("finf").
Aint is a word, but it is not correct English. Yes, learned it myself. Yes, I know that you are suprised.
Perhaps from dONKey's Years ...
It's the Spanish word for 'I', and was first used in English as a shorthand way of saying, "I'm here!" or "Present!"
The origin is not known. From the early 1700's it may have been a slang word. There is a Scottish word 'bombaze' meaning to perplex. There is a French word 'embabounier' meaning to make a fool. Whatever the answer, the origin is not known and disputed
The word "quid" is believed to have originated from Latin, where "quid" meant "what." It later evolved in British slang to refer to the British pound, and is now commonly used as a slang term for money in general.