欣喜若狂

欣 = 斤 + 欠 : It's Marie Curie's (xi) birthday and someone sings her happy (欣) birthday in front of the encampment ((e)n1). The person gives Marie Curie a barbell (斤) as her birthday present, which makes Marie very happy (欣). The person attached an IOU note (欠) to the barbell though; Marie will have to pay for the barbell eventually.

喜 = 壴 + 口 : Mnemonic symbol: 喜宴, wedding banquet.

Marie Curie is overjoyed to announce her marriage in the space station. She improvised a wedding banquet with nothing but mandarins and notifies everyone by beating a large drum very quickly with two mandarins.

若 = 艹 + 右 : Mnemonic symbol: a wooden chicken as in 呆若木鸡, "dumb as a wooden chicken".

A nazi wants to beat up a wooden chicken in the observatory's bathroom for being different, but just as he charges across a sheet of artificial lawn Rachel Rhinoceros pulls she sheet from under his feet and lets him topple head-first to the ground. She thinks that the nazi is truly as dumb as a wooden chicken.

狂 = 犭 + 王 : Karl Koala, (ku) Martin Luther King (王) and the Dachshund (犭) all got the rabies (狂) in the anglepod's kitchen (ang2). They are all going mad and furiously (狂) trying to bite each other.