A phrase said, usually while gaming, but can be applied at any point in life, when one feels unstoppable or after achieving a difficult task.
Synonyms: Winning
In CS:GO, friends are playing. It gets down to 5 vs 1. The 1 makes an ace by killing all 5 opposing players. He shouts over the mic, "Ain't No Brakes on the Rape Train!!!"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi