Past tense of "it's on. "
Usually said to mark the beginning of a competition or skirmish of some sort, possibly of a spontaneous or unexpected nature.
Synonyms for it was on
On this page, you will find 30 slang terms related to it was on. Some of the top words include: wham bam what the fuck just happened, haps, GAME ON, sup, crackilate, and 25 more.