All 16 words, sorted alphabetically. Group them into four categories of four.
The four category names, easiest to hardest. No words revealed yet.
Theme name plus one word from each category.
CAN OF WORMS, HORNET'S NEST, MINEFIELD, and PANDORA'S BOX are all common metaphors for situations that are dangerous, complicated, or likely to cause trouble if you engage with them
HAPPY HOUR, KARAOKE, LIVE MUSIC, and TRIVIA NIGHT are all common events or specials that bars and pubs host to attract customers
ABOUT TIME, FINALLY, GOOD RIDDANCE, and SAYONARA are all expressions used to react to a welcome departure, conveying relief or dismissal that something or someone is gone
AMERICAN HUSTLE (hustle), COMIC CON (con), GOLDEN FLEECE (fleece), and LUCKY STIFF (stiff) each end with a word that is a synonym for 'swindle' or to defraud someone