Disown

[Sonia]

To refuse to own or acknowledge as belonging to ones
self; to disavow or deny, as connected with ones self personally; as,
a parent can hardly disown his child; an author will sometimes disown
his writings.

[Luis Fok]

Disown is to refuse to acknowledge a person/being.
To refuse to have ever knowing this person or being.

[Tina]

What you say to someone who has just said something or done something so completely embarrassing or stupid you wish YOU could go hide under a small bush due to the shame being emitted from said person.

[Dave Paprocki]

What you should do to any dumbass who goes around saying owned.

[Tina]

What you do to anyone who says OWNED or OWN3D or pwn3d or pawned,etc.

[Lanell]

Refuse to acknowledge or maintain any connection with.

[Kai]

to make it known that you no longer have any connection with someone that you were closely connected with: