Whats is the meaning of these sentences, please.
Hello I saw a serie and I didn't understand some phrases because if I translate them into a spanish literally, it hasn't any coherent meaning, maybe it is an expression or something like that. I want a litlle clarification in english or in spanish. Thaaank you so much!

- mother to daughter: Come over here and give me some sugar.

And the meaning of these words:
1 nigger
2 nusty
3 but yet. I don't know exactly this meaning, so I put it in a phrase: I studied "but yet" I don't passed the exam. In Spanish: Estudié "pero aún así" no aprobé el examen.
4 I didn't notice in spanish I think is "no me fijé". Like when you see something but yo do not look it carefully.

Question

Whats is the  meaning of these sentences, please.
Hello I saw a serie and I didn't understand some phrases because if I translate them into a spanish literally, it hasn't any coherent meaning, maybe it is an expression or something like that. I want a litlle clarification in english or in spanish. Thaaank you so much!

- mother to daughter: Come over here and give me some sugar.

And the meaning of these words:
1 nigger
2 nusty
3 but yet. I don't know exactly this meaning, so I put it in a phrase: I studied "but yet" I don't passed the exam. In Spanish: Estudié "pero aún así" no aprobé el examen. 
4 I didn't notice in spanish I think is "no me fijé". Like when you see something but yo do not look it carefully.

Answer

I can explain a few:

"Come over here and give me some sugar." Means come and embrace me, usually by kissing and hugging.

"Nigger" is a taboo term as it has racist connotations against blacks. However, the word is facing a sort of amelioration in black culture, so many black people use the word "nigger" as a word to mean friend or brother etc.

Answer

Oh, that's an awesome show!  I watched it almost every morning this past summer.  Have you seen the episode when he was supposed to move his father's car across the street?  Hilarious show, keep watching :-)

Answer

Yes, the serie is Everybody hates Chris, they was talking about a bathroom at the school, they don't use it because is "nasty".
Thanks!

Answer

Which series are you watching? Or do you remember the sentence for the word nusty? I haven't heard that word before, but maybe with some context I can help you.