Moshioki (squirting) is when you insert your finger up to the second knuckle into the vagina and stimulate the G-spot (around the back of the clitoris) from deep inside towards the front, causing a liquid different from urine (though there are various theories) to spurt out. There are patterns like squirting from the stimulation of an electric massager, and squirting while being penetrated with the glans of a penis stimulating the G-spot.
