the guy sitting there has something like 74/35/5 over just 25 hands. His 3 bet% is 11% and ATS is 50%. 3 bet & all-in or just flat ? His huge over bet sounds weak,right? I guess 4 bet/call preflop would show immediate +EV vs this whale.
No-Limit Hold'em, $1.00 BB (8 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

CO ($140.55)
Button ($131.05)
Hero (SB) ($151.75)
BB ($60)
UTG ($100)
UTG+1 ($42.85)
MP1 ($134)
MP2 ($100)

Preflop: Hero is SB with 10, 10
4 folds, CO bets $4, 1 fold, Hero calls $3.50, BB calls $3

Flop: ($12) 8, 8, 2 (3 players)
Hero checks, BB checks, CO bets $19, Hero ?