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Left Brain is a member from the alternative hip hop collective Odd Future Wolf Gang Kill Them All (OFWGKTA).
He is the producer and backing vocalist of MellowHype, a duo he forms with rapper Hodgy Beats.
"Left Brain is the maddest cunt in OF!"
by B.P.O. October 18, 2011
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Someone who does and say everything backwards.
Tammy: OMG my dad is So left brain! You know what he said?

Becky: What?

Tammy: He just told me to lock the door and then go in the house.

Becky: Wow... He is left brain.
by cheeky monkey221 April 18, 2009
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