(noun) A person who engages in political activism in order to encourage laws to protect people from themselves, such as the laws that have required hair dryers to be tagged with warnings about the possibility of electrocution if the appliance is used in the bathtub, or warnings on food blenders stating the dangers of sticking one's finger into the spinning blades.

Also, Nanny-activism: (noun) The state of being a nanny-activist. Also, the actions, themselves.
A nanny-activist group in California is now lobbying for the state to require warnings on fast-food french fry containers and advertisements for same, which state that eating too many greasy french fried potatoes is bad for you.
by Kaichi Satake June 25, 2006
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