bundle of laughs

barrel of laughs

A great amount of enjoyment or entertainment, or something or someone that provides this.

bundle of energy

One who is especially lively, continually active, or industrious.

bundle of joy

A newborn baby.

bundle of nerves

A person with an especially nervous, excitable, or fearful disposition.

bundle off

To send someone away quickly and without fussing.

get one's undies in a bundle

Synonym of get one's knickers in a twist.