The guy in your group of friends that takes the grenade.
"who takes the grenade this time?"

"Kevin hes the flak jacket man."
by nickwithkungfugrip August 21, 2010
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The act of putting on your sweater to reduce the risk of getting close to the gernade

When a fellow bro is about to take a gernade for another bro and might need some extra protection. So he throws on his sweater to reduce the damage taken.
John: dude look at that eye candy over there
Dave: man thats one narley gernade shes with
John: Bro i want her,.. you have got to help me out
Dave: god damm it, alright. give me a sec. gotta throw my flak jacket on
by Jhunter666 January 25, 2011
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This is the asshole newb in Unreal Tournament Games that uses the flak cannon excessively , because its the only weapon he can use. Of course this being that splash damage does all the work. Anything with any sort of AIMING involved would clearly be to his/her detriment. Either way, He SUXORS
by [GWoS]Bahamut April 22, 2004
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And absolute slayer of women, he has a massive schlong and loves people called Cameron
That guy is such a Chad, he must be Noah flak
by LegendChild27 August 27, 2021
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A person who talks lots of B.S. about someone or somthing, usally the bratty highschool girls. Can be used to replace ''Bitch''.
Pedro: Gina is such a Flak Turret, she dumped me on facebook after i caught her poking josh!

Leroy: that sucks bro.

Josh: XD
by koro126 January 25, 2012
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