Gone off Coke or high off cocaine, term made popular after Young Jeezy's song "Geek'd Up". I guess could be used to describe someone high off anything, but where Im from its specifically for coke.
Man Erik got Geek'd up last night!
by austin w April 12, 2007
To dress or imitate the dress of the people in the new boyz's "Jerk" video. Usually includes wearing slimmer fitted shirts, or thermals/flannels, skinny jeans and vans shoes.
Wow look at terry he's all geek'd up and fresh this year
by Audiolol December 13, 2009