It's a slang term, meaning It is great.
The sister of my dad is my aunt
El papa means Potato if there is no accent on the second 'a'. If it is capitalized, it refers to the Pope. It can also be an expression: Es la papa. Then it would mean: It's the best.
"Es interesante la clase" means "the class is interesting" in English.
"Cual es la pregunta" translates to "What is the question" in English.
It is the (of a feminine noun)
This is the life!
"it is the mouth"
"La maestra es una pendeja" translates to "The teacher is an idiot" in English.
"Tu es la ..." means "you are the ...". "Tu es là" (accented "à") means you are here.
"La mujer es pelirroja" means "The woman is redhead" in English.
It means: It is spring.
What is life?