"Only You" by Theophilus London (feat. Tame Impala) appears to be a song about a passionate and intense romantic relationship. The song describes an insatiable desire between two people and the need for each other to put out the fire of their soul. The lyrics suggest that the narrator yearns for their lover and only their touch can release them from feelings of intense longing.

The song touches on themes of monogamy and the idea of finding someone who can satisfy one's every desire. It portrays the idea that only one person can fulfill these desires and no other can compare, hence the repetition of the phrase "only you". The final verse describes an intimate moment shared between the narrator and their lover.

Overall, "Only You" by Theophilus London (feat. Tame Impala) is a love song that expresses the intense longing and passion that comes with being deeply in love with someone and the desire for fulfillment only that one person can provide.