"I got the blueberry on deck but not muffins" (Tyga – Really Raw) | rejected

Do you think your explanations add any kind of value to the lyrics or are you just after that rap IQ? You really should stop flooding this community with those useless lines. Thanks in the name of all Rap Genius users.

Soulja Boy – Kim Kardashian | rejected

Soooo wack :)

"I was never the type of kid to wait by the door and pack ..." (Eminem – Beautiful) | rejected

I think it is a reference to a Jay-Z interview; check the fourth paragraph (second answer of Jay) here

"Yeah, I probably got a couple of screws up in my head loose" (Eminem – The Real Slim Shady) | rejected

Sure he has some.

"I probably got a screw loose or two, or maybe three or fo..." (D12 – American Psycho II) | accepted

He sure does have some screws loose; see The Real Slim Shady or Love Me

"Blow, fire in the hole" (Eminem – On Fire) | accepted

Blow also means ‘to leave’, in this case he is so tired of criticism he could just leave the whole rap game behind.

"You should pull over like a sweat-shirt with a hood" (Eminem – Session One) | accepted

It looks like a simile because of the word ‘like’ but he doesn’t really compare the act of pulling over to the piece of clothing. It’s rather a double entendre (i.e. a wordplay) in a simile’s clothing.

"Peckerwood mad cause his record went wood" (Eminem – Quitter) | rejected

I think Big L used this punchline first in All Black

"Sneaker's looking fresh to death, I'm loving those Shell ..." (Estelle – American Boy) | rejected

Joe Budden’s also rockin' it

"Is what they said to the two conjoined twins / How's it g..." (Eminem – Bagpipes from Baghdad) | rejected

It’s a returning image, see his early song Any Man