A version of this appeared last year on tellyspotting.org. Here's the original . . . .
You know you’re a Britcom fan when . . .
You see a chocolate fountain and want to take a to-the-shoulders dive into it, (Geraldine, Vicar of Dibley)
You see Brussels sprouts and want to have a sprout-eating contest, (the Hortons, Vicar of Dibley)
You get hungry for a custard tart in times of stress, (Lionel, As Time Goes By)
You start referring to bugs as "creepy crawlies," (Nora Batty, Last of the Summer Wine)
You say "I’m free" when someone asks if you’re busy and you’re not, (Mr. Humphries, Are You Being Served?)
You think purple is a perfectly fine hair color, (Mrs. Slocombe, Are You Being Served?)
You remember to stack the dishwasher from the back, (Lionel, As Time Goes By)
You hog the chocolate Hob Nobs, (unnamed police officers, Thin Blue Line)
You make visitors to your home take off their shoes and remind them to not brush against your walls, (Hyacinth, Keeping Up Appearances)
You listen to the shipping forecasts, (Mrs. Bale, As Time Goes By)
You go ahead and eat the chips that fall down into your shirt, (Daisy, Keeping Up Appearances)
You always buy products that have a royal warrant or crest on them, (Hyacinth, Keeping Up Appearances)
You describe snacks as "light refreshments," (Hyacinth, Keeping Up Appearances)
You spend the equivalent of 15 pence on Christmas or, alternatively, complain if your tree isn’t the right height, (the Goods, Margot Letbetter, The Good Life)
You automatically roll your eyes toward the ceiling when you say the word "boardroom," (Mr. Rumboldt, Are You Being Served?)
You wear a waistcoat over your cardigan, (Norman Clegg, Last of the Summer Wine)
You wear your hair in brush rollers outside the house, (Nora Batty, Last of the Summer Wine)
You can spell "memoirs" without having to look in the dictionary, (Onslow, Keeping Up Appearances)
You change from pajamas to clothes and shoes while driving to the dentist, (Mr. Bean, Mr. Bean)
You beat your car with a tree branch when it breaks down, (Basil, Fawlty Towers)
You hold candlelight suppers for your friends, (Hyacinth, Keeping Up Appearances)
You sweep the steps every morning, (Nora Batty, Last of the Summer Wine)
You take imaginary vacations with film stars, (Tom, Waiting For God)
You are always "unanimous in that," (Mrs. Slocombe, Are You Being Served?)
You play "Poohsticks," (Audrey, To the Manor Born)
You answer any question with a sentence beginning "No, no, no, no . . . ." (Jim, Vicar of Dibley)