I'll let the article do the talking, because frankly, I'm still busy wiping tears of laughter from my eyes.

http://www.cracked.com/article_16158_11-most-unintentionally-gay-rap-lyrics-ever.html

Sample:
Eminem: "Don't Push Me"

The Lyric:
"Man I'm done saying that I'm done playing, I'ma start laying any of these motherfucking cocksuckers."

What He's Probably Saying:
"No joke, my patience is exhausted and now I'm gonna start shooting people."

What We Like To Think He's Saying:
"Seriously, I'm gonna start having sex with dudes."