Thumbs up doesn't mean the same thing to everyone. From Wikipedia "'Thumbs up' traditionally translates as the foulest of Middle-Eastern gesticular insults — th

Thumbs up doesn't mean the same thing to everyone. From Wikipedia "'Thumbs up' traditionally translates as the foulest of Middle-Eastern gesticular insults — the most straightforward interpretation is 'Up yours, pal!' The sign has a similarly pejorative meaning in parts of West Africa, South America, Iran, Greece, and Sardinia, according to Roger E. Axtell's book Gestures: The Do's and Taboos of Body Language Around the World.[11]"