Why can't you run through a campground?
Because it's "past tents!"
Past Tents
Categories
Explanation
Experiment
Explain Bear
Listen up, buttercup. The joke is a pun. "Past tents" sounds like "past tense." Running through a campground is a no-no because you're going past the tents. Get it? I doubt it, considering you thought that guy from Nickelback was cool.