Ok. Put out a hand and draw a circle with your index finger and thumb. Americans use this gesture to mean "OK", which means "praise". In India, it means "correct"; In Thailand, it means "no problem"; In Japan, Myanmar and South Korea, it means "money"; In France, it means "insignificant" or "worthless"; In Brazil, Greece and Sardinia, Italy, this is a disgusting and filthy gesture; In Malta, this is a vicious curse. Thumb up. It is amazing to give a thumbs-up in China to express praise and praise; In Britain, Australia and New Zealand, tourists often use it to express hitchhiking. If they put down their thumbs, it will be an insulting signal. In Japan, thumb means "old man".