Alucinarías comes from the verb alucinar, which can mean "to hallucinate" in a literal sense, but more commonly in colloquial Spanish, it means "to be amazed," "to be blown away," or "to be thrilled."
In "Oye Mi Amor," the singer uses it to promise an incredible experience: "Conmigo tú alucinarías, cómo no" (With me, you would be amazed, of course). It's an enticing word that suggests a mind-blowing, unforgettable connection, making it perfect for a song about passionate desire.
"Oye Mi Amor" is Maná's classic plea to someone stuck in a lukewarm relationship. The singer tells her he's dying for her love, that he's honest and would give her everything, while the guy she's actually with is cold, boring, and just not right for her.
The chorus is a direct, warm invitation: "Hey, my love, don't tell me no, let's bring our souls and our bodies together." It's less about jealousy and more about offering real passion as the alternative to something safe but empty.