We found one dictionary that defines the word on your mark... get set... go:

General (1 matching dictionary)

1. on your mark... get set... go: Cambridge Advanced Learner's Dictionary

▸ Words similar to on your mark... get set... go ▸ Usage examples for on your mark... get set... go ▸ Idioms related to on your mark... get set... go ▸ Wikipedia articles (New!) ▸ Words that often appear near on your mark... get set... go ▸ Rhymes of on your mark... get set... go ▸ Invented words related to on your mark... get set... go