I read, chill with my dog, and plot the salvation or enslavement of the human race (it’s still sort of up in the air). I also really like table top games that involve cards or boards or dice (or all three). It’s not nerdy; you’re just boring.
My academic specialty was British Romantic poetry, but I made a point of reading lots of philosophy and science lit as well. If it's wildly complex or theoretical, I probably count it among my interests.
Books (fiction and non-): Blake's poetry, Lovecraft's fiction, anything with Douglas Adams' name on it, Fear and Loathing in Las Vegas, House of Leaves, Godel Escher Bach, A Thousand Plateaus, Narrative Unbound, The Tree of Knowledge, A Canticle for Leibowitz, John Dies at the End, This Book is Full of Spiders, Skullcrack City, Extinction Journals
TV: Dexter, Xavier: Renegade Angel, Squidbillies, South Park, Doctor Who, Invader Zim, House, Big Bang Theory, Battlestar Galactica, Firefly, AbFab, Breaking Bad, Eastbound and Down, Workaholics, It's Always Sunny in Philadelphia, Game of Thrones, Buffy, The Newsroom
Movies: The Big Lebowski, Snatch, The Fountain, Helvetica, Objectified, In the Realms of the Unreal, Scott Pilgrim vs. The World, Pacific Rim, Troll Hunter, John Dies at the End
Music: Steely Dan, The Gorillaz, Mark Farina, Flying Lotus, Miles Davis, Daft Punk, Girl Talk, MF Doom, DangerMouse, Fatboy Slim, Herbaliser, Scissor Sisters, Fleetwood Mac (the Nicks & Buckingham lineup), ELO, Cosmo Sheldrake, Nujabes, Ta-Ku, Tokimonsta
Theatre: Arcadia (and everything else by Stoppard), Oleana, Waiting for Godot, True West, Les Mis. Shakespeare, of course.
Games: good ol'-fashioned poker, D&D, CoC, MtG, Fluxx, Forbidden Desert, Cards Against Humanity, Pathfinder, Scythe
a pair of running shoes
being able to count to six