It happened to me a couple of times losing to total DONKEY moves. I actually find it funny now
The funny thing, he said "hahahaha" at the end of the hand, which was in fact, quite funny indeed.
PokerStars No-Limit Hold'em Tourney, Big Blind is t150 (4 handed)
Hand History converter Courtesy of
Poker coaching - Get a free online poker lesson - texas holdem strategy for real poker
SB (t3035)
BB (t2410)
Hero (t2675)
Button (t880)
Preflop: Hero is UTG with

,

.
Hero raises to t450,
2 folds, BB calls t300.
Flop: (t975)

,

,
(2 players)
BB bets t1960 (All-In), Hero calls t1960.
Turn: (t4895)
(2 players, 1 all-in)
River: (t4895)
(2 players, 1 all-in)
Final Pot: t4895
Results in white below:
BB has 2d Qh (flush, jack high).
Hero has 9h Ah (one pair, nines).
Outcome: BB wins t4895.