Thumbs up! What should I do about this

(1)= Wikipedia
(2)Thumb gesture
(3)As a gesture, the meaning of the thumb varies depending on whether you raise it up or down The act of lifting it up means a positive meaning in the English language, but it is an expression of contempt in the Middle East, West Africa, and South America In some other European and Asian countries, it is an obscene expression. Although the exact origin is unknown, there is a theory that the gesture originated from the gesture of forgiving the loser used by the audience in ancient Roman gladiatorial combat If you put your thumb down, it means to kill the loser