I had an incident quite a few years ago. I got the chance to tour for a metal band for 3 1/2 months straight. To keep this short, a company who shall not be named, gave me an awesome endorsement deal but when it came time to purchase a rig with the endorsement deal, they were unable to assist me and didn't seem to give two craps. I was ready to drop some money on a 4x10 cab and amp for this tour and mark this tour as my "welcome to the family" kind of thing. Life is funny at times and has a sense of humor... So, as a last second choice, I had to buy an extremely used rig from a guitar shop in New York before the tour. I had sworn off this company but my only option was to buy a extremely beat up rig from the same company. It was the only option I had at the time and considering I needed a rig within 3 hours of doing a single practice with the band before we hit the road for the tours the next day.
Fast forward 2 1/2 months, this rig has been giving me problems. Strange volume swells, random noises, you name it. We had just finished one tour ending in California, the next tour started the next day in California as well. So here we are, headlining, first show on the new tour and on the last song of the set, my amp dies. I was beyond furious. So, here I am on stage, trying everything I can to fix the issue but nothing seemed to work. In a moment of pure rage, and without actually thinking it through, I slammed my hands into the amp, pushing the amp backwards. What I didn't seem to notice is that the stage had a 3 foot drop right behind my rig, not just to the stage floor, but 3 feet past the stage floor to the actual floor. So, there goes the amp, crashing down behind the stage in the darkness, and me looking like an idiot.
After that, I just took my bass off and proceed to do vocals with the singer and head bang on stage. The set ends, show is over, I grab my stuff while the guitarist is asking me what happened. Told him what was going on and he gives me some friendly crap about the issue. But wouldn't you know it, life strikes again. I plug everything back up, amp turns on. I play a few notes to test it and it was working.
The kicker is that for the last month of touring, all the problems I had been dealing with were gone after one hulk smash. After the tour was over, I took the rig back to same shop I got it from and got a little over half of my money back. I still wonder what ever happened to that rig but still to this day, I have sworn off anything from that company for fearing that it's cursed.