to smear / to wipe / to erase / classifier for wisps of cloud, light-beams etc
抹
=
扌
+
末
:
Inside of the observatory (o3) Jehova's Witness (末) is telling Mahatma Gandhi (m) that the world is going to end soon, but Mahatma Gandhi just wipes (扌) his mouth with a toy claw (扌) for speaking such nonsense.