fire up in WordNet English dictionary

1. begin to smoke
   "After the meal, some of the diners lit up"
   light up  fire up  light 
   
2. arouse or excite feelings and passions
   "The ostentatious way of living of the rich ignites the hatred of the poor"; "The refugees' fate stirred up compassion around the world"; "Wake old feelings of hatred"
   inflame  stir up  wake  ignite  heat  fire up 
   

fire up in English Wiktionary