Móbile literally translates to "mobile" as in a hanging sculpture with parts that move freely. It's an interesting and somewhat unique word to find in song lyrics, especially in this context.
In the song, Paulinho Moska uses it metaphorically in the line "Sou um móbile solto no furacão" (I am a mobile loose in the hurricane). This vivid image conveys a sense of being unanchored, constantly changing, and at the mercy of external forces, yet still finding a unique form of existence within that chaos.
Paulinho Moska wrote "Um Móbile no Furacão" as a portrait of someone who can't sit still even when calm arrives. The hook says it plainly: "Sou um móbile solto no furacão / Qualquer calmaria me dá solidão" ("I'm a mobile loose in the hurricane / any calm gives me loneliness") — standing still doesn't feel safe to this narrator, it feels like disappearing.
The verses trace a pattern of leaving and circling back: changing his name to escape recognition, only to land "de volta ao ponto de partida" ("back at the starting point"), "como se eu nunca tivesse saído de lá" ("as if I'd never left"). By the final verse the metaphor turns nautical — an anchor hitting bottom "detona-se minha explosão" ("sets off my explosion") — reframing restlessness not as something to fix but as the only way he knows to feel anything at all.