What is heem in Spanish?
If you are referring to "heem" as a slang word for "Hennessey",
which is a brand of cognac. Cognac in Spanish is "coñac", but since
"Hennessey" is a specific brand, its name has no translation into
Spanish. There is also no slang word for it in Spanish since cognac
is not popular enough in Spanish-speaking countries to merit a
slang name.