In excess; a large amount, generally more than what is expected.

This term is not restricted to weight, but is more a quantitive factor.
Wow, I have a metric ass ton of homework to do tonight.
by Russ A September 25, 2006
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an amount too large to measure
That has got to weigh a metric ass ton
by Brendan May 17, 2004
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Jesus dude, it's like exactally 137 cubic tons of matrial X.
I have a metric ass ton of crabs...and it also burns when I pee
by Fred Gestopolis March 8, 2005
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