Manchester united fans sing lukakus manhood

It seems like you're referring to a chant that Manchester United fans have been known to sing about Romelu Lukaku, a former striker for the club. The chant in question is often translated to "Lukaku's manhood" or "Lukaku's balls" in English, although it's worth noting that the actual lyrics might be a bit more playful and light-hearted.

It's not uncommon for football fans to create and sing chants about their favorite players, and this one seems to be a lighthearted way for Manchester United supporters to poke fun at Lukaku's impressive physique.