burn up
burn up {v.}
1. To burn completely; destroy or be destroyed by fire.
Mr. Scott was burning up old letters.
The house burned up before the firemen got there.
2. {informal}
To irritate, anger, annoy.
The boy's laziness and rudeness burned up his teacher.
The breakdown of his new car burned Mr. Jones up.
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Source: A Dictionary of American Idioms