Blue mesc, also called boss blue. It offered some of the effects of mescaline and cocaine together, framed in the gelatinous sweetness of methaqualone. Only ... stop taking it after a period of steady use and the world drained of meaning for you. There was no actual withdrawal sickness. There was only a deeply resonant depression, a sense of worthlessness that seemed to settle like dust and maggot dung into each individual cell of the user’s body.