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2.
Going to sleep, being tired or bored
I felt like I was going to fire 'em up in class today.
by SithlordDarthRPG August 28, 2003
 
1.
To sleep. To go to bed. To be extremely bored.
1. I'm tired and I'm ready to go fire 'em up!

2. I was firing 'em up in class because the teacher was so boring!
by SithlordDarthRPG December 05, 2003