pilama yelo Share definition Flag The Lakota (Sioux) way to say "thank you". Pronounced "peel-AH-mah YELL-oh". In "Dances With Wolves", you'll hear "pilama yelo" said a few times. It means "thank you". pilama yelo by pentozali May 16, 2007 0 0 Get merch Get the pilama yelo mug. Buy Now — $32.95 See more merch