Stone Mountain, Georgia Puns

I was on training hike with a bunch of my buddies last year for a major trek we were taking that summer. We were hiking Stone Mountain in Georgia starting about the time the park opened. When we had all geared up, we set off to hike the mountain a few times. When we got to the base of the trail, there was a cop there stopping people for going up. Someone asked what was wrong. The cop replied, "There are three rabid dogs on the mountain, we have closed the trail until we can contain them." My friend, really disappointed that we couldnt go up just yet, asked when the trail would be open again. The cop replied, "I don't know sir, the dogs don't really have sense of time or schedules." Without even hesitating, I said, "I guess they aren't watch dogs." The cop was stunned into silence, every single one of my friends yelled their groans. I was 17, and I had to check that I wasnt a father