Cold anger? Is the collocation proper here?

[NewHopeR]

Context:

In the coldness of the garage, my entire body trembled from
both the cold anger and intense fear. I used my tongue to lick the
burn and soothe my throbbing arm. I wanted to scream, but I
refused to give Mother the pleasure of hearing me cry. I stood
tall. I could hear Mother talking to Ron upstairs, telling him how
proud she was of him, and how she didn’t have to worry about
Ron becoming like David – a bad boy.

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An anger is cold? What does it mean?

 

[billmcd]

Context:

In the coldness of the garage, my entire body trembled from
both the cold anger and intense fear. I used my tongue to lick the
burn and soothe my throbbing arm. I wanted to scream, but I
refused to give Mother the pleasure of hearing me cry. I stood
tall. I could hear Mother talking to Ron upstairs, telling him how
proud she was of him, and how she didn’t have to worry about
Ron becoming like David – a bad boy.

-------------------------------
An anger is cold? What does it mean?

Record it as poetic license and in terms of meaning, check with the author----or David.