Similar to "brown bagging" a girl by putting a brown bag on her head because you want to have sex with her but want to do so without looking at her face. A redneck brown-bag is simply taking a 12-gauge shotgun and removing the girl's head with it in order to rid your eyes of her bad looks
Bill: "That girl is probably great in bed but damn her face is ugly!"

Jim: "Just get your 12-gauge and redneck brown-bag her. Just get rid of that ole' head"
by LoveToSayFag August 11, 2009
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