The act of smacking one's face with the cock either before or after maybe even during (to add surprise) oral sex. this is also know as a dick slap.
I face spanked my girl while she was giving me head
by Anthony January 04, 2005
The spanking of a partner's face with one's penis during oral sex.
I totally face-spanked that bitch with my man meat!
by Paracelsus June 04, 2004
To slap someone's face with such force it makes the cheeks bright red and swollen like a regular spank does to one's behind.
She Wouldn't leave me alone so I Face Spanked her
by TEEG January 28, 2009