Wiktionary
n. 1 A layered (not mixed) drink made of Kahlua, Bailey's Irish cream and Crown Royal (in that order, and ideally with just a float of Crown). 2 (context colloquial English) A sound made when a stone is thrown into the water where the water breaks twice creating a longer sounding "plop". 3 (context colloquial English) A special sounding created when flatulence is released shortly after or during use of a shower, bath, or pool. Due to the moist areas involve, the air passing through creates a gross noise similar to a duck's quack. 4 (context slang English) Something insignificant or silent. 5 (context baseball colloquial English) A ball hit by a batter into the the gray area between the infield and outfield, usually tailing away from whoever is trying to catch it. Also known as a dying quail.