1. most crazy or eccentric in behavior
Usage: informal
2. having the strongest flavor of nuts

Examples

• That’s the nuttiest idea I’ve ever heard!
• My uncle is the nuttiest person in our family.
• This is the nuttiest pecan pie I’ve ever tasted.
• She came up with the nuttiest scheme to surprise her friend.
• The nuttiest part of the movie was the talking squirrel.
• This almond butter has the nuttiest flavor of all the brands.