夺
=
大
+
寸
:
Doggy Dog (du) programmed the robot (大) to seize (夺) a wiener from observatory's kitchen counter (o2). As the robot gives him the sausage Doggy Dog gives him the thumbs up (寸).
lit. the voice of the guest overwhelms that of the host (idiom) / fig. a minor player upstages the main attraction / minor details obscure the main point / the sauce is better than the fish