Ever since I first started having sex I have always squirted when I had an orgasm, no matter if it was sexual intercourse, oral sex or masturbation.  This is perfectly normal and though it is not common common, alot of women do experience this.  It also has nothing to do with peeing.  It is just another form of having an orgasm.  My husband loves how wet I get and how excited I look when I'm about to ***.  I get the wettest when I get on top of him when we are making love.  The only negative with this is that it gets the bed all wet and you either have to change the sheets or put towels down before hand.  I just know one thing I wouldn't trade my way for any other way of cumming.