A husband-and-wife prank turns one simple balloon pop into a funny jump-scare moment. What starts as a harmless joke quickly becomes the kind of reaction people watch again and again.

The latest escapade went down at NRG Stadium in Houston, where Toro, the mascot for the Houston Texans, pranked influencer duo Lindy and JLo in a side-splitting bit. While hung upside down, Toro ...