Maybe not a tremendous bad beat, but a jaw-dropper for me.
Party Poker 1/2 Hold'em (10 handed)
Preflop: Hero is MP1 with , .
3 folds, Hero raises, 1 fold, MP3 calls, 2 folds, SB calls, BB calls.
Flop: (8 SB) , , (4 players)
SB checks, BB checks, Hero bets, MP3 calls, SB calls, BB folds.
Turn: (5.50 BB) (3 players)
SB checks, Hero bets, MP3 calls, SB calls.
River: (8.50 BB) (3 players)
SB bets, Hero calls, MP3 folds.
Final Pot: 10.50 BB
Results in white below:
SB has 8c 5c (straight, eight high).
Hero has Ah Kd (two pair, aces and kings).
Outcome: SB wins 10.50 BB.