An undefined very large amount of something, often used in the computer industry.
There is a grundel of wires in that mess of a network closet.
The nether-regions between the balls and the ass
When I play basketball, my grundel butter begin to melt and drip.
the no region between your ass and your balls
Frank Johnson has sweatbead races down his grundel
To partake in imbibing large amounts of refreshing acoholic beverages.