Completely not safe for work or any other venue where language may cause an issue, including your own headphones if you’re not up for a little vulgarity: Punch ‘Em In The Dick [1]. For the rest of you, I can promise there’s at least one rhyme in there that you’ll find chuckleworthy.
[1] http://music.metafilter.com/2380/Punch-Em-In-The-Dick-NSFW-lyrics