Would you be put off by a girl who squirts?Watch
Its better to ask him beforehand whether he likes it or not.
I don't have any particular kink for getting blasted in the face but it's hard to deny the 'aw yeeeea, boy done good! ' feeling.
I still remember when my ex came flying round to my house, dropped her trousers, whipped this huge Hitachi 'massager' thing out her bag and said "Seriously check THIS **** out! look what I can do!'