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1 definition by Roman1077

 
1.
An energy drink, mostly drunk by BMX ers in Farborough. Nornally gone on halves, two people buying a four pack paying half each, and a great drink to replace Red Bull
Guy1"Wanna go asda?"
Guy2"Yeah, wanna go halves on a four pack of Relentless?"
by Roman1077 December 13, 2007