No, an idiom is not a slang word. An idiom is a commonly used expression with a figurative meaning that is different from its literal meaning. Slang, on the other hand, refers to informal words and phrases that are specific to a particular group or generation.
It's a phrase, not a word, and it means you're in trouble.
A colloquialism!
The slang word moniker originated from a place called Africa. In the old times, the phrase was used to describe African monkeys. However, today, the slang has carried over.
The phrase "word to your mother" was popularized by the rapper Vanilla Ice in his 1990 song "Ice Ice Baby." The phrase is used as a slang expression to affirm or emphasize a statement.
it's a phrase that stands for the word "vagina" in Turkish. (slang lang.)
The phrase Holla, Holla is actually the name of a debut single recording by rap artist Ja Rule. The word holla is also a slang term that can refer to a greeting such as hello or goodbye or a slang term for the word holler.
Cowboys loved a colorful phrase! This means a writer or noisy fellow. It's another made-up word.
In Cockney rhyming slang, "caravan park" is often referred to as "bark park." The phrase typically uses the first word, "bark," while omitting the rhyming second word, which is common in this type of slang.
The phrase hood to hood means ghetto to ghetto. The word hood is slang for the neighbourhood or the ghetto or someone who acts like they are from the hood. Similar slang is street rat and gangsters.
We say "kipping", but this is adopted from British slang. Otherwise I'm not aware of a specific word or phrase we have for "sleeping".
A phrase often used by cowboys to say "Thanks" is: "Much Obliged."