A white jet stream is when you are about to blow your load you pinch the head of your penis not allowing the cum to exit. Then when you have stopped cumming relase your grip on your dick and blow ur load all over your partner. It ends up looking like a jet stream.
I gave my Girlfriend a white jet stream, then she smiled.
ayon kay II UH0H II ika-11 ng Setyembre, 2008