2 definitions by nikolaj

Top Definition
Acronym for United States Domestic Market.
Used to describe cars or automotive parts that are manufactured in/imported from the US.
Derived from JDM which means Japanese Domestic Market.
AEM INdcution kits are USDM.
by nikolaj May 04, 2005
The magazine for a gun, esp. handgun such as a glock .
"Pull the hammer back as I pop the fuckin clip in, just like double-oh-seven on a mission."
by nikolaj March 10, 2005

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