Definition of fire up phrasal verb from the Oxford Advanced Learner's Dictionary

 

fire up

 phrasal verb
phrasal verb
 
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Phrasal Verbs
to make somebody excited or interested in something She's all fired up about her new job.
(informal) to start a machine, piece of equipment, computer program, etc. We need to fire up one of the generators. Let me fire up another window (= on the computer screen).
See the Oxford Advanced American Dictionary entry: fire up