n.
1.a revolutionary doctrine that advocates destruction of the social system for its own sake
2.the delusion that things (or everything, including the self) do not exist
3.complete denial of all established authority and institutions
Idiom of the Day
knock (someone) off his or her feet
to surprise or shock someone so much that he does not know what to do
When they announced that I had won the prize it knocked me off my feet.