noun. Only your mathematician knows for sure if this is greater or less than a metric turdload.
Related terms: metric asston, metric butt-ton, metric crap-ton, metric fuckton, metric poop-ton, metric shit-ton, metric buttload.
Real citation: “Having played a metric poo-ton of WoW, I recommend going double-up on the "gathering" professions (skinning and herbalism is a great combo for making tons of cash).”
(Oct. 11, 2006, Mechapixel Forums, http://mechapixel.com/forums/showthread.php?t=6479)
Made-up citation: "I appreciate my small dog even more after walking his big friend Jack, whose metric poo-ton of shit came in seven steamy packages, laid out in the grass like a sprawling leprechaun village that had been nuked."