My friend called me a duro. wtf is a duro?

Question

she has a thing for Spanish swears, and i Have no clue what it means. some insight peoples? btw, idk if its spelled. Douro? maybe, idk. help, itz bugging me. and she wont tell me.

btw im 17, swears aren't new. so u may speak freely.

Answer 1

well. duro means hard... maybe muscuhats not an insult)

OR. in some of our slang..kind of "stubborn"..

There IS another possibilitie.. but I doubt u could be one at 17..

We call some powerful drug-traficckers o "narcos".. "duros."