(coll.) to jump about; to be active; to be lively / (coll.) (fig.) to struggle (before succumbing); to be alive and kicking (esp. toward the end of one's life)
蹦
=
⻊
+
崩
:
Beelzebub (b) is bungee-jumping (蹦) into a cowboy boot (⻊) in the engine's bathroom ((e)ng4) but the bungee cord is too long, so Beelzebub collapses and demises (崩).