Idiom
full of the devil and full of Old Nick
Theme: BEHAVIOR - IMPROPER
always making mischief. (Informal. Old Nick is another name for the devil.)Tom is a lot of fun, but he's sure full of the devil.I've never seen a child get into so much mischief He's really full of Old Nick.
Slang
full of the devil and full of Old Nick
Theme: MISCHIEF
mod. always making mischief.Little Chuckie is sure full of the devil.In this weather, the kids are always full of Old Nick.