1 definition by Silent Assassin

1
5.1 refers to the state you are in when you become really loud after a drinking session. The 5.1 originates from the surround sound speaker system and hence you can hear the person from every angle.
1) Easy mate you on a 5.1
2) Turn it down bruv u reachin 5.1
by Silent Assassin June 17, 2005
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