While the lyrics focus on a romantic interest, the music video and fan theories suggest a secondary storyline involving the band’s other member, .
: Phrases like "shoot a wad of gleaming romance" or "bust a nut of joy and light" highlight the character's inability to express himself through traditional romantic tropes, choosing instead to filter his "feels" through his established, albeit crude, vocabulary. Sub-Plots: The Clingy Ninja and Third-Party Dynamics Heart Boner - Ninja Sex Party (LYRICS)
: In the music video, Ninja Brian is depicted as uncharacteristically "clingy" or jealous, leading some to theorize that he may harbor his own romantic feelings for the protagonist. While the lyrics focus on a romantic interest,
The Semantics of Sincerity: Analyzing Relationships and Romance in "Heart Boner" Heart Boner - Ninja Sex Party (LYRICS)