"Fleabag" is great, but you might have to have a specific sense-of-humor (then again, it won a slew of awards, so maybe not that specific). It's similar to Ghost World only add UK humour and the two leads are a bit older and sisters. Or imagine "Curb Your Enthusiasm" but with a 30-ish UK lady instead of a grumpy old Jewish Angelino. A bit more pathos than "Curb" as well. It's similar to stuff like Inside Llewyn Davis, Ghost World, and Rushmore, in that their caustic leads are acting out because of past trauma that gradually reveals itself (death of a friend or family member).