The ring of white powder that sometimes makes an appearence on outside of the nostril of somebody who has recently snorted drugs.
'Don't be ridiculous, you can't attend your mother's annual fondue dinner with the priest in that state!'
'Why not, I'm not that mashed
. I've only had a few lines!'
'Apart from the fact your gurning
like a snake trying to swallow an ox, why don't you look in the goddamn mirror instead of snorting
things off it for a change. You've got a polo on that left nostril so big I could rack myself up a line and still have some left for later.'