1 definition by King Butt Ripper

GBC is an acronym that stands for "Get Brain Cancer". It is commonly used in hostile situations where two people are in a verbal spat. It is a very effective insult that really drives home how you feel and please get brain cancer to victims of this acronym.
"I hope you get GBC and frick your dead twat mother in the domain of Satan."
by King Butt Ripper May 17, 2023
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