"I read about your Uncle Ronnie too, I'm sorry / I had a f..." (Eminem – Stan) | accepted

These lines might reveal some information about Uncle Ronnie’s death. Uncle Ronnie’s suicide might be related to a girl, which is also mentioned in this article.

"[Verse 1]" (Eminem – Stan) | rejected

The third verse is a tape which was recorded by Stan, where he says that Eminem could’ve saved him.
Eminem doesn’t even get to listen to the tape, before he answers Stan.

Bad Meets Evil – The Reunion | accepted

The last hook is slightly different from the first two ones:
Replace all “my"s by "our"s and "she” by “they”.

"It’s like an explosion everytime I hold ya, I wasn’t joki..." (Eminem – Space Bound) | rejected

The person he’s talking to represents the drugs he was taking.
And these drugs have taken his breath away once, when he had an overdose.

Bad Meets Evil – Fast Lane | rejected

Instead of “homie this sick” it should be “homey they sick”.

"I wanna get kissed, kissed-kissed" (Bad Meets Evil – A Kiss) | accepted

I think the lyrics should be “I wanna get kissed, kissed […]”.
This would make sense, because it matches the very last line of the song

"Beaver do him" (Bad Meets Evil – A Kiss) | accepted

“Bieber” is german and means Beaver in english.

"This bitch sucking my dick today, call it yesterday's new..." (Bad Meets Evil – A Kiss) | accepted

This means, that it isn’t a big deal for him to get head.
So it will almost be forgotten tomorrow.

"She resuscitates me, she fucking hates me and I love it" (Eminem – Love the Way You Lie) | rejected

he actually murders her in “Kim” and gets rid of her body in “‘97 Bonnie and Clyde”.

"Another day, another dawn / Another Keisha, nice to meet ya" (Diddy - Dirty Money – Coming Home) | accepted

A reference to Biggie Small’s Everyday Struggle:

“Another day, another struggle”.