He pauses on the river, then types in chat "I'm gonna bet my flush"... Then shovels it in... I only have like 115 hands on him at 49/19 river aggression of 1...

$0.5/$1 No Limit Holdem
6 players
Converted at

Stacks:
UTG ($36.00)
Hero ($119.90)
CO ($82.60)
BTN ($86.45)
SB ($177.50)
BB ($127.90)

Pre-flop: ($1.5, 6 players) Hero is UTG+1 [Kh]
1 fold, Hero raises to $4, 3 folds, BB calls $3

Flop: [7s][9c] ($8.5, 2 players)
BB checks, Hero bets $7, BB calls $7

Turn: ($22.5, 2 players)
BB checks, Hero bets $16, BB calls $16

River: ($54.5, 2 players)
BB goes all-in $100.9, Hero folds

Final Pot: $54.50

BB wins $152.7 ( won +$24.8 )
Hero lost -$27.00