fart / flatulence / nonsense / (usu. in the negative) what / (not) a damn thing
屁
=
尸
+
比
:
Pocahontas (pi) is trying on her new bikini (比) in the space station's bathroom (Ø4) but she can't stop farting (屁). At least she thinks she is, in reality an invisible ghost (尸) is farting all the time to make her think so and prank her.