An example of the Oedipus behavior is a forty year old man who's never moved away from his mother and doesn't leave home without her.
An example of Oedipus was the son of the king and queen of Thebes who ended up killing his father and marrying his mother.
Origin of oedipus
- Latin from Greek Oidipous oidein to swell pous foot octopus
From American Heritage Dictionary of the English Language, 5th Edition