Top definition
GI jargon to describe "infantry" military occupational specialty (mos). Infantry was/is 11B10.....after a while, combatants when asked their "mos" would often reply with
"Bulletstopper, 11Bulletstopper, or sometimes 11 Bang Bang."
When queried about 'mos' many weary infantrymen replied with Bulletstopper or 11 Bulletstopper.
by pikkil47 February 10, 2010
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