Subjective. We know. But what the hell. Here's our pick for the top 5 funniest dog videos on YouTube…. 5: The dog who puts himself to bed 4: Tillman. If you haven't been exposed to Tillman yet, you haven't lived! 3: Dog on a trampoline. Say no more? 2: Dog on a water slide. Fun, defined. 1: Ultimate Tease. Seriously, how can 66 million people be wrong (yes, that's sixty six million views this video's received) Did we miss any of your favourites? Suggest them below.