bundle of laughs

idiomatic

(idiomatic) Something or someone very funny or fun.

Japanese Meaning

とても面白く、楽しい人やもの / 非常に笑いを誘う、愉快な存在

My uncle is a real bundle of laughs at family gatherings.

うちのおじは家族の集まりでは本当に笑いの絶えない人だ。

Sense（1）

(idiomatic) Something or someone very funny or fun.

When she was alone with you, she could be a bundle of laughs. But if we were going to a large party, Sunny would break out in welts from nerves.

bundles of laughs

（ plural ）