From Wiktionary, the free dictionary
tóshjeeh (“water barrel”) + binaa (“around it”) + -go (adverbial marker) + łį́į́ʼ (“horse”) + náádadiilwoʼ (“they run around”) + -ígíí (nominalizer)
tóshjeeh binaago łį́į́ʼ náádadiilwoʼígíí
- barrel racing (at a rodeo)