The feeling of excitement when exacting petty revenge, or simply witnessing someone get what they deserve.
- "Hey, did you hear about the Westboro Baptist Church picketing a soldier's funeral this weekend?"
- "No, what happened?"
- "The police formed a barrier around the cemetery and arrested the ones that tried to get in. Gave me a raging justice boner."
- "Remember how Jeff has been stealing my lemonade on his lunch break?"
- "Yeah, why?
- "Well, today I filled the bottle with my own urine instead, and I saw him try to drink it, then run into the bathroom and puke. HUGE justice boner."