grimace
noun
a facial expression, often ugly or contorted, that indicates disapproval, pain, etc.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I will do myself the justice to say, that I have never had any better opinion of the philosophies of all those philosophers, than of the spectacles of the grimacer of Tivoli!
From Les Misérables by Isabel Florence Hapgood