Black Sabbath has a song called War Pigs. The opening line is "Generals gathered in their massess. Just like witches at black masses." Rack Slabbath BBQ (and the logo) is a play on Black Sabbath (the band). The lyrics are a play on the song War Pigs. Great song, btw.
He told you a 100% fact in such a perfectly sarcastic way that post should be considered a work of art.
You’re in a lot of trouble brook. Your punishment is gonna be 24 hours in a room straight with nothing but Black Sabbath, Pink Floyd, and Led Zeppelin.... and a black light.
Here's a hint - Google Robert Plant and Roger Waters. The lord helps he who helps himself (or some such crap.)