冻硬

冻 = 东 + 冫 : Doggy Dog set up his booth at a very bad time: it's winter, and it's freezing cold. He built a small Oriental Pearl Tower in the engine's bathroom and tries to sell popsicles in aspic.

硬 = 更 + 石 : Maud Younger (y) finds the snake which ate too much (更) in the engine's bathroom ((e)ng4), and it feels miserable. To make the snake feel better Maud massages the snake using two warm stones (石). As Maud massages the snakebshe finds that the snake's belly is really hard (硬).