We found two possible meaning for the quileute phrase "kwop kilawtley":
I love you
stay with me forever
Jacob says this line to Bella in New Moon movie before she leaves to save Edward in Italy.
Quileute was the last Chimakuan language, spoken until the end of the 20th century by Quileute and Makah elders on the western coast of the Olympic peninsula south of Cape Flattery at La Push and the lower Hoh River in Washington State
Find a list of words and phrases with their Quileute pronunciation at Quileutes.com.