rascalism
/ˈrɑːsk(ə)lɪz(ə)m/ /ˈrɑːskəlɪz(ə)m/ /ˈrask(ə)lɪz(ə)m/noun
The character or behaviour of a rascal. In later use especially with reference to rascal.
Origin
Mid 19th century; earliest use found in Thomas Carlyle (1795–1881), author, biographer, and historian. From rascal + -ism.