kersploot
Ker-sploot: The sound of semen hitting the girl's (or for some people, guy's) face generally in either the eye or right above the nose on the forehead, this allows for maximum kersplootiness.
Girl:Goddamnit, you got cum all over my face!
Guy: But did you hear that wicked kersploot?
Guy: But did you hear that wicked kersploot?