well depending on the water gun that she is using then it can
sometimes tickle but on the most expensive water guns it can
occasianly hurt this is my water pistol witch provides a tickling
sensation
play.com/Gadgets/Gadgets/4-/15376569/Saturator-STR60-Disrupter-Motorised-Water-Gun/Product.html
----
Just want to say that this answer is hilarious. Kudos to
you!