In America, giving a "thumbs up" usually means someone did a good job, but in regions of Europe, Africa and Asia, locals might think you're telling them to g f*ck off. Many American hand gestures have innocent connotations in the U.S., but some of these very same motions can also get you in a lot of trouble overseas. This video discovered below features 7 innocent hand signs that can cause some unwanted confrontation abroad.