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
"Ain't" is a contraction of "am not," "is not," or "are not." It has been used in English dialects for centuries, with its origins dating back to the 18th century.
The origin of the word "yonks" is uncertain, but it is thought to be British slang originating in the early 1900s. It is used to mean a long time or a lengthy period.
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.
The slang word for brother is "bro" or "bruh."
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.
A prat is a slang word for an incompetent person - origin uncertain
Slang refers to informal language, typically used among a particular group of people or in a specific context. It often includes words or phrases that are not considered standard in formal language but are widely understood within that group or context. Slang can help convey shared understanding, create a sense of belonging, or express creativity.
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.
The word therosis appears to be a slang word with unknown origin. This word apparently is a disease that men can get in eight different ways.
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.
The origin of the word "yonks" is uncertain, but it is thought to be British slang originating in the early 1900s. It is used to mean a long time or a lengthy period.