Nahxilek l ommok
It means your mom got run over by a bus and it was their fault.
He said 'Nahxilek l ommok' after I told him he failed the quiz.
She said 'Nahxilek l ommok' when I told her her dog ate her socks.
He said 'Nahxilek l ommok' when I beat him in the talent show.