A metric fuckton is a unit of measurement so extravagantly big it needed its own name. Origins start as the metric fuckton being 420grams(cubed) or 74088000 grams. Nowadays the term is used to just describe a large amount of something.
Guy 1: How much grass you got?
Guy 2: A metric fuckton; I’ll hook you up.
Teacher: What is a metric fuckton?
Student: 420cubed=74088000 Grams.
Teacher: Very good Jamal.
Guy 2: A metric fuckton; I’ll hook you up.
Teacher: What is a metric fuckton?
Student: 420cubed=74088000 Grams.
Teacher: Very good Jamal.
by xxxGuanGang300xxx October 18, 2017

A standard unit of measurement for amount. One metric fuckton is equal to 25 shitloads, a shitload is equal to 25 assloads, and an assload is equal to 50 of anything. By this logic, a shitload is 1250 of anything, and a metric fuckton is 31250 of anything.
Guy A: I had a metric fuckton of homework to do last night.
Guy B: I only have a shitload to do, and I thought I had a lot...
Guy B: I only have a shitload to do, and I thought I had a lot...
by Phazerrr April 29, 2023

Equivalent to 2,205 fuckpounds, as compared to the standard fuckton (which is 2,000), a fuckpound being a single thrust. Someone on the receiving end is said to have been 'metrically fucked'.
by Janus169917 February 27, 2009

An amount exceeding the limit of imagination or, more realistically, greatly exceeding expectations.
by Voideater October 5, 2011

One metric fuckton is equal to 7 billion and 10 million tons or 1.402e+13 pounds. This is calculated by haveing a metric fuckton be equal to 10 duck loads and 1 fuckload being equal to the population of china, which is 1.402 billion.
Joe: Man I have a Metric Fuckton of laundry to do today
Siri: One Metric Fuckton is equal to 1.402e+13 pounds
Joe: Your mom weighs 1.402e+13 pounds
Siri: One Metric Fuckton is equal to 1.402e+13 pounds
Joe: Your mom weighs 1.402e+13 pounds
by Your mother is 1.402e+13 lbs August 17, 2022

Equivalent to 100 million dollars. 1 metric fuckton is 1 metric ton of the largest denomination bill, aka $100. 1 metric ton of bills is 1 million bills, at 1 gram per bill.
by YaBoiBreezy April 27, 2020
