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.
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.
Start the ignition of an engine, as in Whenever he tried to fire up the motor, it stalled. [Mid-1900s]
Words nearby fire up
How to use fire up in a sentence
But what is there more irresponsible than playing with the fire of an imagined civil war in the France of today?Houellebecq’s Incendiary Novel Imagines France With a Muslim President|Pierre Assouline|January 9, 2015|DAILY BEAST
“I think for trans men who are dating every time they hook up they have another coming out,” Sandler said.
In that photo, Merabet has a big smile that spreads across his whole face and lights up his eyes.
We won't find out this season, though it comes up occasionally.‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
Kickstarter is one start-up platform that seems to have realized the danger.
What need to look to right or left when you are swallowing up free mile after mile of dizzying road?The Joyous Adventures of Aristide Pujol|William J. Locke
Most of the men leaped up, caught hold of spears or knives, and rushed out.The Giant of the North|R.M. Ballantyne
Some weeks after, the creditor chanced to be in Boston, and in walking up Tremont street, encountered his enterprising friend.
In less than ten minutes, the bivouac was broken up, and our little army on the march.
The bride elect rushes up to him, and so they both step down to the foot-lights.Physiology of The Opera|John H. Swaby (AKA "Scrici")