I know that this may seem rude, weird but what is "Knickerbocker" Sundae?

a href="http://www.google.com/search?num=50&hl=en&safe=off&biw=1280&bih=649&q=knickerbocker+sundae&aq=0&aqi=g1g-v1&aql=&oq=37.5+ml+equals+how+many+ounces" rel="nofollow"http://www.google.com/search?num=50&hl=e…/a