I have a couple, not trials related but biking related.
I was working at a Walmart a couple years back and my buddy met me there so we could ride home together. I was on a Norco Wolverine and was super happy to get off shift. So I'm ripping through the parking lot, dodging between moving and parked cars. I looked back at my friend for a second and when I looked forward again there was a car right in front of me. I tried to dodge it but I clipped the front and the right handside light pretty hardcore. I scratched up the paint and kinda cracked the light cover a little. My friend laughed at me saying I shouldn't go so fast, I replied with "f*ck you, we gotta get outta here man!"
When I first bought my Rocky Mountain I was going for a ride trying to learn how to dirt jump. There were these two younger guys (better riders though) hitting some jumps too. They were doing cool stuff like riding to the top of the jump, going only vertical and landing 180 on the rear wheel. Anyways, I went for a smaller jump and as I just started to take off I felt something hit my leg. I tried to sit down after the jump and poled my buttocks. My seat had fallen off. The guys and myself all laughed and they told me they didn't have their alan keys with them (nor did I) so I just finger tightened the seat back on. Later, on the ride home, I went up a curb and the seat snapped in half around the screws where it holds the stem to the seat. Again, pole into my buttocks. So yeah, thats why the sig says "completely stock minus the seat"