1 definition by Andrew Bingley

When you are partaking in the sexual act of face sitting, and the partner giving the face sitting has a bad case of explosive diarrhoea which errupts over the face of the partner receiving the face sitting.
* Susie had very bad diarrhoea last night, she gave her boyfriend a gravy face.

* Michael has a gravy face.
by Andrew Bingley November 14, 2006

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