The rare occurrence when one intends to ejaculate in a girl's mouth but misses, hitting her cheek, but magically deflecting onto a danish nearby. This has actually occurred only once in the history of mankind, because no one likes to have sex with a danish watching.
The Ancient Greek Jepherus Koblias is the only person known to have experienced the phenomenon known as "the Danish Deflection," before danishes even existed. Wait, what?