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fire up

1.
Inflame with enthusiasm, anger, or another strong emotion, as in Her speech fired up the crowd in favor of her proposals. This expression dates from the early 1800s, when it referred literally to starting a fire in a furnace or boiler; its figurative use dates from the late 1800s.
2.
Light a pipe, cigar, or cigarette, as in Do you mind if I fire up? [ Late 1800s ]
A more common term, however, is light up, def. 2.
3.
Start the ignition of an engine, as in Whenever he tried to fire up the motor, it stalled. [ Mid-1900s ]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Examples from the Web for fire up
Contemporary Examples
Historical Examples
  • It was natural perhaps she should fire up at the talk about marryin' if she felt the bridegroom was hangin' back.

    In Exile and Other Stories Mary Hallock Foote
  • He was an improved specimen; he could fire up a vertical boiler.

    Heart of Darkness Joseph Conrad
  • "I understand that you boys came near burning up the woods and village once with a fire up here," said Mr. Norton.

    The Boy Scouts of Bob's Hill Charles Pierce Burton
  • Don't let him talk, and keep the fire up, that room is still like an ice-house.

    Doctor Luttrell's First Patient Rosa Nouchette Carey
  • One of them maneuvered to his left, the second to his right, and the third dove below him to fire up.

    Famous Flyers David Goodger (goodger@python.org)

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Word Value for fire

7
7
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