Straight edge (Often called sXe) is a lifestyle without drugs, tobacco, or alcohol. Some followers of Straight edge also abstain from illegal or casual sex.

For some, no drug use includes caffeine which is a stimulant drug. Some will accept drugs such as codeine or morphine for medical reasons.Some followers of Straight Edge will not use Ny-Quil or Day-Quil because they contain alcohol.Those Straight Edgers who quit casual or illegal sex would not have one-night stands and will wait until they are in a committed relationship to have sex.