JoeBeenthere's definitions
In United States Marine Corps slang, a crack shot with a rifle; someone who is extremely proficient in marksmanship with small arms; a member of the USMC national rifle marksmanship team.
"I knew that Sergeant Jones was a real dinger when I saw him putting them in the ten-ring from the thousand yard line."
by JoeBeenthere July 2, 2009
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