When a girl is giving you head, right as you blow your load, you tell her a joke thus making her laugh. the cum will explode out of her mouth, painting the surrounding premisii white.
When the girl is giving a BJ and when he goes off she laughs hard enough to have it come out of her nose and spray all over the guy.
As he went off he said "Your the Man".
She laughed so hard it came out her nose and sprayed all over him. The Laughing Dragon