nutty
adj.tasting like nuts, or behaving in a very strange or silly way. You can use it to describe a delicious snack or a person who is acting a bit crazy.
adj.containing or tasting of nuts; also used to describe behaviour that is eccentric, foolish, or irrational. In its figurative sense, it is informal and carries a lighthearted or mildly critical tone.
“This dark chocolate has a delicious nutty flavor.”
“He came up with some nutty scheme to build a rocket in his backyard using old washing machine parts.”
“The wine is characterized by a complex nutty finish that balances the initial acidity, though some critics find the aroma slightly overpowering for a vintage of this age.”
Often used predicatively after linking verbs like 'taste' or 'sound'.
From nut + -y.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.