What does it mean to flick someone?

What does it mean to flick someone, to flick someone can have several meanings depending on context, but generally flick someone means to strike someone lightly and quickly with finger or hand, like quick light hit, as in flick someone on forehead meaning quick snap with finger. In slang, flick someone can mean to take photo of someone, as flick meaning photo, so flick someone means take their picture, as in let me flick you up meaning take good photo of you. In some urban slang, to flick someone can mean to steal from someone or to rob, as flick meaning to swipe. In other contexts, flick someone off means to give middle finger gesture insulting. To flick someone could also mean to dismiss or get rid of someone quickly, as in flick someone away. So what does it mean to flick someone, most common meaning is to give quick light strike with finger, like flicking someone's ear, or to take photo of someone, as in photography slang, with meaning depending on context, but generally quick light action toward person, whether physical light hit or taking picture, with phrase used differently in different regions and social groups, so context determines if it means light hit, photo, or dismissal.