A man and his two young sons bite water balloons to pop them. AA: Water Balloons in Super Slo-Mo
A large puppy dog bounces on the floor while it plays with a cat in a living room.
Static Hair. Kid uses balloons on grandma / senior woman to make her hair stand up.
A woman (grandmother, maybe) helps a little boy set off a 'mentos fountain.' the diet coke bottle tips when it's about to fizz over and the two of them get sprayed.
A man moves around a room as he uses a virtual reality headset and falls down.