18 People Idioms and Definition Daredevil: someone who takes unnecessary risks Cheapskate: someone who hates to spend money Joined at the hip: to be exceptionally close to someone Elbow grease: hard physical effort Forty winks: a short nap Barrel of laugh: someone who is very funny Old as the hills: some who is very old Oddball: a weirdo or a strange person Down-To-Earth: sensible and realistic Go-Getter: a person who is active, energetic, and has the initiative to pursue the things they want.