All the design and color and art books that I have all make claims about color meaning, but Iâm certain some of it is cultural, and none of the books or writers who assign meanings to colors ever give one shred of evidence supporting their claims.
As a noun, it is a sharp pain sensation when the skin is punctured by a needle, pin or other sharp object. As a verb, it is the action of puncturing a small hole or holes in an object. As a slang term, a prick can be a penis.
A rub is an impediment and is taken from the sport of bowls, where rub means that something hinders the free movement of your bowl. without rub or impediment (Swift) Like a bowle that runneth in a smooth allie,without anie rub (Stanihurst) So the phrase roughly means: That's where the problem is. I don't think it is misused nowadays half as much as Wherefore art thou, Romeo? being used to mean Where are you? instead of Why are you?