Bollock black is when someone is at the darkest of angry. They have reached a certain depth of angry, so deep that they are black with anger.
Kallum: *makes immense noise*
Ollie: *chases Kallum in anger*
Kallum: “fuck! he’s bollock black now”
Ollie: *chases Kallum in anger*
Kallum: “fuck! he’s bollock black now”
by Conorboiboss September 3, 2021
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