fat / fertile / loose-fitting or large / to fertilize / to become rich by illegal means / fertilizer / manure
肥
=
巴
+
月
:
Frankenstein's Monster (f) and the moon (月) have been eating lots of lollipops (巴) in the Eiffel Tower's kitchen (ei2) until they became round and fat (肥).
皂
=
白
+
七
:
Zorro (z) is fighting for the public good in the aorta's bathroom (ao4). Anyone who's stinky or black (皂) with dirt is forced under the shower, threatened by Zorro and his seven-branched laser sword (七). They will wave with a white flag (白) and readily take his soap (皂).
沫
=
末
+
氵
:
Jehova's Witness (末) is taking a bath in the observatory's bathroom (o4) and Mahatma Gandhi (m) is adding a secret ingredient from a water bottle (氵) which causes the water to foam (沫) a lot. Jehova's Witness doesn't know though that the secret ingredient is Mahatma Gandhi's saliva (沫).