Biggest. Cooler. Ever (ok mebbe not but sucks nonetheless)

I knew that river killed me!!!

hero (SB): $100.00
BB: $86.55
UTG: $21.70
MP: $112.85
CO: $75.55
BTN: $98.10

Preflop: hero is dealt A J (6 Players)
2 folds, CO calls $1.00, BTN folds, hero calls $0.50, BB raises to $5.00, CO calls $4.00, hero calls $4.00

Flop: ($15) 3 4 8 (3 Players)
hero checks, BB bets $14.00, CO raises to $40.00, hero raises all-in to $95.00, BB calls all-in for $67.55, CO calls all-in for $30.55

Uncalled bet of $13.45 returned to hero

Turn: ($248.65) J (3 Players - 3 All-In)
River: ($248.65) 8 (3 Players - 3 All-In)
Pot Size: $248.65 ($3 Rake)

CO had 8 8 (four of a kind, Eights) and WON (+$148.10)
BB had 4 4 (a full house, Fours full of Eights) and LOST (-$64.55)
hero had A J (a flush, Ace high) and LOST (-$86.55)