Answer: gonude

AnswerCrossword Clue
GONUDEAdopt the naturist philosophy
GONUDEReveal all?
GONUDETake it all off
GONUDEPractice naturism
GONUDEGet buff?
GONUDESkinny-dip, e.g.
GONUDEPrepare to skinny-dip
GONUDETake Casual Friday to extremes