情颠大圣

Here '情' refers to love/affection; '颠' here describes someone as if he was crazy or mad due to his strong passion, which indicates an excessive obsession for love. The word '大圣' is often associated with 'The Great Sage' which usually denotes Sun Wukong - the Monkey King from the Chinese classic novel 'Journey to the West'. Hence, it may refer to someone crazily in love or obsessed with affection