Just for the record this is an updatet version. The original is deleted.
you read in a crossword "Brave man in the Roman Army" and think the solution is Rory.
every time you see someone with a bow tie you think "Bow ties are cool".
you have tried Fish fingers & Custard.
you have seen that one picture of David Tennant, where he is naked.
you have been to a gym,saw David Tennant and asked him after an autograph while he was under the shower and naked. (That really happened to him).
you want a TARDIS so you can travel back in time and can watch the lost episodes.
you are angry with someone and shout exterminate at them.
someone says Florence Nightingale and all you understand is Lawrence Nightingale, a character from Blink.
...you own a life-size K-9,Dalek, TARDIS or something else.
...you have been to the Doctor Who Exhibition in Cardiff or the Doctor Who Experience in London.
...you have been to The Who Shop in London.
...you use the word