Based on the method or context of usage; either "Here you are" or else "Go to Hell".
Most commonly used in its second context, this convenient all-purpose insult is barked in accompaniment to a brief pushing motion with the fingers spread wide, usually in the direction of the offending person or item.
For additional emphasis, a second hand may be added to smack briskly on the back of the first, or else just in parallel as if pushing an invisible wall. Based on the depth of feeling involved, or the element of personal risk anticipated, it can be done discretely or with flamboyance. If necessary - use both feet too.
Thus when you see all the disgruntled and disillusioned Charlies (or Charlouas) getting back on the plane to return to a more hospitable climate, that curious little gesture you thought was just a strangely rigid, stiff fingered little wave over their shoulder whilst choked with emotion is now more fully explained.