Mine occurred about 1 1/2 years ago on PartyPoker.com. I was playing .50/1 and was on a good roll. Got my stack to about 510 within the first 4 hour of play. I had a very lose image. Their was a player with a stack of 330 while everyone else was around 100. The big stacks go at it! I get dealt pocket Jacks. I do the standard raises bla bla bla. Flop comes Js 10s 10h. bla bla bla, he pushes me all in after i reraised him. I do one of those instant calls. The guy gets runner runner straight flush on me. He had Ah Qs Turn was 8s River was 9s I went on tilt and opened up partypokers great game of blackjack and lost 300 more then I went to a party and forgot about my bad beat. After I realized I lost almost 700 bucks within 20 minutes I quickly started shaking. Worst tilt of my life. I learned my lesson, don't play above your bankroll. I should have been playing .25/.50!