merry as a grig

Adjective

dated not-comparable

(simile, dated) Very merry or cheerful.

Japanese Meaning

非常に陽気で、愉快な様子を示す。 / とても明るく、笑顔や楽しさに満ちた状態。

When the town festival started, the children were merry as a grig, laughing and dancing in the square.

町の祭りが始まると、子どもたちはとても陽気で、広場で笑いながら踊っていました。

Sense（1）

(simile, dated) Very merry or cheerful.