Does Christmas seem to get more complicated every year. Online? In-store? Happy holidays? Merry Christmas? Mid-shopping, take time out to review the culture’s excesses with the expert on the topic, John Waters, the auteur of such films as “Hairspray” and other underground film comedies. “I love how it makes people mental,” Waters tells San Diego City Beat in an interview this week, later admitting, “If I hear ‘Little Drummer Boy’ one more time, I feel like I‚m going crazy.” Waters is out flacking his antidote to the Christmas crazies, his 2004 album of kitschy carols, including “Here Comes Fatty Claus” and Tiny Tim’s version of “Rudolph, the Red Nosed Reindeer.” In the interview, Waters muses, “There’s no irony in those songs [like] “Happy Birthday Jesus” by Little Cindy. They were all made to be good songs, something just went a little wrong.”