Any facial expression, intentional or unintentional, that makes it look as if you're constipated or have diarrhea; HiDrNick. See synonyms at HiDrNick
Goliath gave me a nasty, constipated look when he came out of the bathroom.

Ted's constipated look caused his teacher to resign and take up a job as a stuntman.
by Shenanigans3 April 6, 2008
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