Long slender glass "drips" bulging at one end , tapering to thin. A decoration for glass, rather rare, (Damon, GANTAD, p.77) or freehanging glass ornaments (1999) usually with color.
Also called legs these are the streaky, viscous traces that, with certain wines, will cling to the sides of a glass. Frequently mistaken as a sign of high sugar content, they are more an indication of a higher level of alcohol.
Oiliness left in the glass by a wine rich in alcohol, sugars and glycerin.