Geek: a slang term meaning a computer/Sci fi/horror/LARPer/gamer/etc expert or enthusiast.
Teak: a type of hardwood.
Geek Teak: When you feel intense, physical excitement over something or someone geeky. Non-gender specific.
"Wow- do you see that Slave Leia over there? I'm sporting huge geek teak."
"Hey, have you seen the latest trailer for 'The Knights of Badassdom'? Yea verily it gave me mighty geek teak."