It is masculine for "you are mean".
you are nothing bad
¿por que eres tan malo?
"You're bad" is an English equivalent of the Spanish phrase ¡Tu eres malo!Specifically, the personal pronoun tu means "(informal singular) you." The verb eres means "(informal singular you) are." The masculine adjective malo means "bad."The pronunciation will be "too EH-rehs MAH-loh" in Spanish.
Porque eres tan malo? (mala, if feminine)
what are you?
Tú eres = You are
eres tan malo/a
bad
"El malo" translates to "the bad one" or "the evil one" in English.
tu eres malo
There is not an exact translation for "You are mean". Instead you can say: "Eres malo", "Eres cruel"... -Tu eres malo
de donde eres = where are you from