The Online Etymology Dictionary suggests it comes from a Dutch and Low German root, similar to slice, especially a thin slice. So a "slip" of a girl is a slight (thin) girl. They record that the first known use in printed English was in 1582.
The phrase "A slip of a girl" or "A slip of a thing" originates from the idea of someone being delicate, small, or slender, like a slip of fabric. It conveys the image of someone being slight or fragile in appearance.
The idiom "to coin a phrase" means to invent or originate a new phrase or expression. It is often used when someone comes up with a clever or witty saying that becomes popular.
No, the phrase "hail from" is not considered archaic. It is still commonly used in modern English to mean to originate or come from a particular place or background.
The Spanish phrase "Mi niña traviesa" translates to "My mischievous girl" in English.
"Chica más fina" is a Spanish phrase that can be translated to "finest girl" in English. It is often used to describe a girl who is elegant, sophisticated, or of high quality.
"Si muchacha" is not a common phrase in Spanish. "Sí" means "yes" and "muchacha" means "girl." If you meant to say "sí, muchacha," it would translate to "yes, girl."
concerning a human female
I don't understand what you mean by "connipition" since the question lacks clarity.
It's just a funny thing to say when helping someone to get to their feet. I can't find the etymology of the phrase. I suspect it's just a dialect way of saying "up you get" or "up you come."
A relevant component be it for a thing, solution or movement.
eat out a girl's thing
When one uses the phrase "Moving swifter" than another thing, they might mean moving faster, easily and such, than another thing. This phrase isn't very commonly used, though.
The word impertinent can mean rude, brash, or lacking respect. So, the phrase 'impertinent young girl' may mean a girl that is either brash or rude.
An American boxer named Norman Selby (1873-1940) adopted "Kid McCoy" as his professional name and used the phrase "The Real McCoy" to distinguish himself from another fighter named "McCoy." Although not certain, this appears to be the origin of the phrase, which expanded into American English to mean "the genuine article."
One thing girl YES she is so mean!
Then he has a thing for you girl.
To 'burn' has been used to mean 'cheat' or 'victimise' since the 17th Century. To call an insult 'a burn' originates from that.
When the first thing he notices in a girl is her eyes it means that he loves her deeply.