A fork of Rural Dictionary
1) A disparaging term representing the unbridled anger of an out-of-control African-American male of the lowest tier of socioeconomic classing.
2) More broadly, the rage of any member of the human species exhibiting said anger.
Etymology: A portmanteau of (ne)gro and (ste)roid rage
Man, let's get the hell outta here, that dude has some serious groid rage!
The effect of warm summer heat on certain species. Incidents of rape, random stabbings and murder tend to increase dramatically when Groid-Rage is experienced.
Your honour, my client was suffering from seasonal Groid Rage and therefore cannot be held responsible for his actions.