Daffy means crazy silly. Think of Daffy Duck in the Warner Brothers Cartoons. Here are some sentences.
Daft means daffy or silly. Don't be daft, young man!
"daffy" sometimes means insane or crazy
Andrew Daffy goes by Daffy.
Daffy Duck
The word derives from the late 19th Century word daffmeaning a simpleton. It is possible that this was derived from daft.
Nope. Daffy is a boy.
Daffy Duck is an American .
daffy duck was made in 1933
Daffy Duck has problems with pronouns .
Daffy Duck doesn't have kids.
Daffy Duck is male.
Daffy's Diner was created in 1967.