What figurative language is my ( throat dry like sawdust)?

The figurative language used in "throat dry like sawdust" is a simile.

Here's why:

* Simile: A simile is a figure of speech that directly compares two things using the words "like" or "as."

* Comparison: The phrase compares the dryness of the speaker's throat to the texture of sawdust.

This simile creates a vivid image of extreme dryness, as sawdust is known for being very dry and abrasive.