risus caninus

(redirected from sardonic grin)
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Related to sardonic grin: Risus sardonicus

ri·sus ca·ni·nus

(rī'sŭs kā-nī'nŭs),
the semblance of a grin caused by facial spasm, seen especially in tetanus but also in some kinds of poisoning.
[L. risus, laugh + caninus, doglike]

risus caninus

[rī′səs]
Etymology: L, risus, laughter, caninus, doglike
a grinning facial distortion caused by tension in the occipitofrontalis and other facial muscles as a result of tetanus.

ri·sus ca·ni·nus

(rī'sŭs kā-nī'nŭs)
The semblance of a grin caused by facial spasm, especially in tetanus.
Synonym(s): cynic spasm, sardonic grin.
[L. risus, laugh + caninus, doglike]
References in periodicals archive ?
Last January, what was described as a sardonic grin played at the lips of John Hickenlooper as he faced his opponents in the 2003 Denver mayor's race during the first of a series of candidate debates leading to the election.
In dogs, this begins with pricking of the ears and an altered facial expression, frequently described as a sardonic grin.
Across from them, at a second table, Susan Casey was calm but serious, while a sardonic grin played at John Hickenlooper's lips.
Especially one with a fancy car, wraparound shades and a sardonic grin.
With a sardonic grin, Duke piped, "Well sir, I guess that Hitler advocated use of toilet paper.