A symptom of too much fucking. Mostly in the doggy-style position where the guy pushes the girls face into a pillow and proceeds to plow away, either anally or vaginally. The girl, loving every minute simply cannot move her head from the pillow creating creases in her face. Thus, a pillowface.
See also, pillowbiter
See also, pillowbiter
by poorfellow June 14, 2009
Pillow face - Adj. used to describe ones face after sleeping so hard that the imprint of the pillow is embedded onto your face. It lasts at least an hour after waking unless followed by a hot shower.
by slightlydramatic February 11, 2010