What is the facial expression called where you curl up one side of your mouth?

What is the facial expression called where you curl up one side of your mouth?

I swear I've heard it called something before but nothing is coming to me. Character is mildly annoyed at just having been told to do something.

Anyone?

 

A half-smile? A smirk? Some people force weird little smiles when they're annoyed.

Honestly I've never heard it called anything in particular.

 

sneer?

 

Smirk is perfect. Thanks. Brain freeze and the thesaurus wasn't working because I needed somewhere to start.

 

AH! that's the one! thanks. (Sneer that is... in my haste I expected the posts to follow the appropriate posts. Silly me.)

 

Smirk is when you find it amusing.

A sneer is when you find it contemptible.

 

Agreed. It's was a late night and it's been a long day and I'm sitting here trying to make progress. Smirk sounded pretty good at that moment.

 

A quirk?

 

and 'snirk' when it's both...

 

A sign of a stroke? (Sorry, folks, not politically correct, but I'm a bad monkey this morning).

 

Could also be Bell's Palsy.

 

I'm presently lashing myself for laughing at you and Cogito. :redface:

 

A quirk is a mannerism usually seen as something amusing.

 

It's dangerous to go alone! Take this:

http://www.dailywritingtips.com/100-words-for-facial-expressions/