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Not to be confused with the tool known as a straightedge, or the song the subculture takes its name from, Straight Edge. Straight edge (sometimes abbreviated sXe or signified XXX or X) is a subculture of hardcore punk whose adherents refrain from using alcohol, tobacco and other recreational drugs, in reaction to the excesses of punk subculture.
sharp edge definition, sharp edge meaning | English dictionary. sharp. 4 moving, acting, or reacting quickly, efficiently, etc. 15 â¦ at the sharp end involved in the area of any activity where there is most difficulty, competition, danger, etc.