The guy used a lot of time on the river to decide his bet, and while I generally think people who use this tactic have the goods, I had already decided I was calling the bet

Hold'em Manager Poker Software - Best Poker Tracking Software
NL Holdem $30(BB) Merge Game#7186185621

marisa22 ($3,050)
WyleECoyote1 ($2,511)
Jerrrrrrrrome ($3,260)
Yettiman171 ($3,040)
lolBlackFriday ($2,880)
icuucme23 ($2,967)
Boobala8 ($2,590)
CrazySteve420 ($2,855)
johnny4141 ($3,892)

marisa22 posts (SB) $15
WyleECoyote1 posts (BB) $30

Dealt to WyleECoyote1 Tc Ad
Jerrrrrrrrome raises to $60
fold, fold, fold, fold, fold,
fold, fold,
WyleECoyote1 calls $30
FLOP ($135) 9d Jd 6d
WyleECoyote1 bets $135
Jerrrrrrrrome raises to $270
WyleECoyote1 calls $135
TURN ($675) 9d Jd 6d 8s
WyleECoyote1 checks
Jerrrrrrrrome bets $450
WyleECoyote1 calls $450
RIVER ($1,575) 9d Jd 6d 8s Qc
WyleECoyote1 checks
Jerrrrrrrrome bets $2,480 (AI)
WyleECoyote1 calls $1,701
Jerrrrrrrrome shows Ac Ks
(Pre 74%, Flop 53.9%, Turn 61.4%)

WyleECoyote1 shows Tc Ad
(Pre 26%, Flop 46.1%, Turn 38.6%)

WyleECoyote1 wins $4,977