A person who is addicted to going to the mall, to either shop or just walk around.
Logan is a malloholic. He had nothing better to do with his day, so when she woke up at 9a.m. he went to the mall and walked around until 4. But bought, nothing, except lunch.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi