Dictionary

light someone's fire en · VERB

(slang) To excite or arouse someone; to turn someone on.
- Come on, baby, light my fire Try to set the night on fire. 1967, The Doors (Robby Krieger, Jim Morrison, et al.), “Light My Fire” (song), on The Doors (album), Elektra Records
- It really excited him — you know, really lit his fire. We aren’t sure which of the bunch it is. I’d love to know. 1985, David Carkeet, I Been There Before (novel), Harper & Row, page 61
- He’d prowled Houston’s titty bars for more than a decade, and he’d found the one woman who really lit his fire. 2003, Robert Bryce, Pipe Dreams: Greed, Ego, and the Death of Enron, PublicAffairs, →ISBN, page 213:

Spelling	Features	Source
lit someone's fire	Tense=Past, VerbForm=Part	lexicographic
lit someone's fire	Tense=Past	lexicographic
lighting someone's fire	Tense=Pres, VerbForm=Part	lexicographic
lights someone's fire	Number=Sing, Person=3, Tense=Pres	lexicographic