How do you say trompo in English?

"Trompo" doesn't have a direct one-word translation in English. It depends on the context:

* If you're talking about the spinning top toy: You could say spinning top, top, or whirling top.

* If you're talking about the Mexican street food "trompo" (a vertical spit of marinated meat): You could say meat skewer, trompo, or simply Mexican meat on a spit.

It's best to clarify the context to find the most appropriate translation.