couch.get({
  url: '/someDoc',
  callback: function(resp, success) {
    if(!success) {
      console.log('it\'s already gone');
    }
    else {
      couch.delete(resp.body._id, resp.body._rev, function(resp, success) {
        if(success) {
          console.log('deleted!');
        }
        else if(resp._HTTP.status == 404) {
          console.log('someone deleted it before we could');
        }
        else {
          console.log('issue deleting: HTTP ' + resp._HTTP.status);
        }
      });
    }
  }
});