To have the best possible hand pre & post flop in Texas Hold'em, only to lose the hand either on the turn or on the river by having someone call you with no pair or no draw.
Dealer: Shaun moves all in
Dealer: Aaron calls
Dealer: Shaun has A/Q for top two pair
Dealer: Aaron has jack high, with a back door flush possibility
Dealer: Aaron wins, with runner runner flush.
Shaun: I just got Jim'd