A modifier meaning "even more than"

Most commonly used with buttload, assload, or shitload.

The modifier 'metric' has been co-opted from the term 'metric ton,' which is 205 pounds more than a 'ton.'

So, an 'assload' is a lot, but a 'metric assload' is even more.
A pipe broke, and now there's a metric buttload of water in my basement!
by Aminal June 9, 2004
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metric: ur anti-establishment, anti-gov and conspiracy theory loving tool the opposite of standard tools hence the name metric

also see anarchist
John : dude my kid brother thinks the moon landing is a conspiracy
Ken : *sigh* him and his conspiracy's hes so metric
by XchronoX October 27, 2009
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Get (Metric (V.) the action of getting retarded off of MDMA or other substances measured in MilliGrams
Zach - Tones lets get metric this weekend
Tones - Sure i got some molly
by Scantron24 December 5, 2013
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The adjective 'metric' defines a unit of measurment that is included in the Internationl System of Units (SI).
All countries except the USA, Liberia, and Myanmar use the SI and it is furthermore the only system of units used in scientific work.
Hihi I'm some Canadian chick and the only metric I know is some dumbass band.

Ooooh look at me, I'm dumbassly defining metric as 'even more than'...how awesome is that.
by mynamealright January 6, 2005
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a disease where multiple substances begin to flow out of your penis.
"Dude i cant believe I'm having a metricals problem right now, it all just keeps flowing on out"
by Morgan_Puppy April 20, 2015
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A female of gargantuan size.

A metric can normally be spotted in the south east of England and is often mistaken for a Land Rover Discovery.

Originates from the term “Metric tonne
“She’s a bit of a metric
“I know I’m looking at metric but I’m not sure which part of it I'm seeing”
“Ed saw metric and got an erection”
by Dr. Leeroy Funkhauser March 15, 2006
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Bad in the sense that something has gone awry, or that someone has caused something to go awry; Messed up.
Bob - "Hey, did you just hit that guy in the face for no reason?"

Steve - "Yeah, so?"

Bob - "That's pretty darn Metric of you."
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Comparing the Metric and Secondary (Or standard as some call it) measurement systems in America, we find that the majority of people are more familiar with Secondary, and as such 'Metric' is awkward, different, bad, or crazy. In this sense, 'Metric' can be used to describe the attitude or actions of a person, or something else that has happened that was unintended and harmful or unwanted.
by Griffin Kennedy & Mr. Deleon December 3, 2008
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