Top Definition
The guy in your platoon that is most likely to be selected to dive on the grenade while out scouting the enemy’s squadron. The Captain is most susceptible to volunteer or be called into active duty after his 9th plus beer or high ball and or sometime close to last call.
It’s almost last call, the Grenade Captain looks ready to volunteer, let see if he will dive on the nottie and save the platoon tonight?

We are all going to get knocked out if we can’t get the Grenade Captain to take the heavy weight 15 rounds.
by Mr. Doobie July 14, 2008

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