Мумітроль (Moomintroll) refers to the main character from the beloved Finnish-Swedish Moomins series of books and comics. It's an unexpected and whimsical word to find in a song, especially one with such a fierce and possessive tone.
The song's title and the use of this word create a stark contrast with the lyrics, which describe extreme jealousy and threats of violence. This juxtaposition makes the word particularly intriguing and memorable, hinting at a deeper, perhaps ironic, meaning within the song's narrative.
"Мумітроль" is a jealous love song delivered as a joke. Victoria NIRO tells her boyfriend she loves him, then spends most of the song threatening exactly what she'll do if he ever cheats: pull his hair out, bite his hand, knock out his teeth, and keep them in a little box to cry over.
In the middle she imagines the moment of suspicion itself, asking to see his phone to find out who just texted him. The chorus repeats twice, so the threat lands as a running joke rather than a real warning, more playful jealousy than actual violence.
The title nods to Moomintroll, the round, gentle cartoon character, a deliberately soft, cuddly name for a song full of over-the-top threats. That mismatch is the joke.