I knew I was going to lose but I did a big wtf when I saw his cards...
$200 NL FR. Hero is BB with [Qh].
3 limpers, Hero raises to $13, only caller was UTG+1.
Flop [9s][3s]. Hero bets pot, Villain calls.
Turn . Hero bets 4/5 pot, Villain calls.
River . Hero checks, Villain thinks and checks behind and flips [7s] to take down the pot.