I think this is the correct definition of a trifecta.
Party Poker 1/2 Hold'em (6 max, 5 handed)
http://216.119.70.224/converter/hhconverter.pl
Preflop: Hero is UTG with J[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">Hero raises</font>, MP calls, <font color="#666666">
1 fold</font>, SB calls, BB calls.
Flop: (8 SB) 6[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, BB calls, <font color="#CC3333">Hero raises</font>, MP calls, SB calls, BB calls.
Turn: (8 BB) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, BB calls, <font color="#CC3333">Hero raises</font>, MP folds, SB calls, BB calls.
River: (14 BB) 3[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets</font>, BB calls, <font color="#CC3333">Hero raises</font>, SB calls, BB calls.
Final Pot: 20 BB