Crack Smile

Traumatic lacerations inflicted by a razor or knife which extend from the tragus to the oral commisure, which often involve the facial nerve, and less commonly the parotid duct Management End-to-end anastomosis of facial nerve, cannulation with stent if the parotid gland is affected
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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Next best P Cantlay & P Reed 14-1 The main threat to Cauley and Thomas may come from the no-nonsense Patricks pairing - Cantlay and Reed will doubtless wear fierce expressions throughout and not crack smiles until the trophy is in their possession.
Song titles such as 'Do anything you want to the girl (just don''t hurt me)' tell their own hilarious story and the hour slipped by quickly with big laughs and huge cheers, which seemed to even force Hall and his band to crack smiles.