expanse of water / ooze / (onom.) bark / classifier for liquids: pool, puddle
汪
=
氵
+
王
:
Willy Walrus (w) broke the last water bottle (氵) in front of the anglepod (ang1). Seeing the puddle (汪) Dr. Martin Luther King Jr. (王) is so desperate about the very last water bottle being wasted that he gets watery eyes.