slash of a mouth

[Bushwhacker]

In the sentence:

Through a slash of a mouth he growled

Is "a slash of a mouth" meaning " corner of one's mouth"?

Thanks

 

[bhaisahab]

In the sentence:

Through a slash of a mouth he growled

Is "a slash of a mouth" meaning " corner of one's mouth"?

Thanks

No, it means a mouth almost closed/barely open.