"Sponge Cupcake Prank sa Payamansion Boys (Lasang Lababo Daw!)" likely features a hilarious prank where the host replaces actual cupcakes with sponge versions, surprising the boys when they take a bite. The funny reaction of them commenting on the taste, comparing it to something like "lasang lababo" (tasting like a sink), adds to the humor. Expect lots of laughs and playful teasing as the prank unfolds and they realize what happened!