geeked adjective2 •(slang) Under the psychological effects of a stimulant drug; high;I'm geeked up and I can't see and all the walls keep looking at me — 2005 •(slang) Very excited.I am not one for lifting in silence – ever. I like to use music to get me geeked up and focused in my training. It always makes a difference for me — 2010 formsmore geeked · most geeked