Top Definition
An extremely motivated Marine for no apparent reason. Can we found along coastal military bases. Ordnance Marines commonly have sexual relations with each other regardless of gender. Aviation Ordnance Marines are also known for blurting out terms like IYAOYAS during times of silence. Oddly 90% of Ordnance Marines did not want to be ordnance; they all wish they were Crash Fire Rescue (Fire Fighters). Also ordnance skills (basic counting with fingers) have no value outside of the military.
Did you see the sweet IYAOYAS tatoo Sgt Korn got on his forearm? It really looks sweet next to the rainbow. He's a motivated Aviation Ordnance Marine.
by Sgt Poop January 29, 2010

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