River checkraise from a donk

Villain is a huge donk, raising anywhere from 6 to 25x the BB preflop, chasing any draw, and bluffs huge on the river. I got my stack from picking off his bluffs with top pair a few times. I've never seen him checkraise on the river before, and I have no idea what to do. Raise? Fold? Snapcall?



PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($86.40)
CO ($100)
Hero ($227.75)
SB ($373.70)
BB ($100)
UTG ($67.80)

Preflop: Hero is Button with 4http://www.flopturnriver.com/phpBB2/...iles/heart.gif, 7http://www.flopturnriver.com/phpBB2/...iles/heart.gif.
1 fold, MP calls $1, 1 fold, Hero raises to $5, SB calls $4.50, 1 fold, MP calls $4.

Flop: ($16) 2http://www.flopturnriver.com/phpBB2/...iles/heart.gif, 6http://www.flopturnriver.com/phpBB2/...iles/heart.gif, 8http://www.flopturnriver.com/phpBB2/...miles/club.gif (3 players)
SB checks, MP checks, Hero bets $12, SB calls $12, MP folds.

Turn: ($40) 2http://www.flopturnriver.com/phpBB2/...miles/club.gif (2 players)
SB checks, Hero checks.

River: ($40) Thttp://www.flopturnriver.com/phpBB2/...iles/heart.gif (2 players)
SB checks, Hero bets $25, SB raises to $148, Hero :{

I'd respect donk check-raises.
With your reads, if he lead out, I'd be calling for sure.


I'd respect it, with a tiny flush on a paired board. You'll catch him next time he leads out.

Paired board and weak flush. I would dump it at that price.

drop it fast. You;ll have better opportunities to go stack vs stack if villain is as bad as you say...

easy fold.

I forgot to mention that villain min-reraises me almost every time preflop (and shows down Q3s,53s, and the like). I believe he is tilting and trying to win his hundred+ back from me. Also, he has tried to bluff me on the river EVERY time; this is just the first checkraise. A couple reasons I called.

Paired board makes this laydown quite easy.

Unpaired board and something like T high flush would be a really gross spot.

He showed 75 of diamonds ship it. I don't think it was that bad of a call; the line was just too weird to lay it down.

buddylist

Against an average player with neutral table images, easy fold.

But in this case, the guy is clearly an unorthodox maniac. I think you are getting about 2.5:1 pot odds, so it comes down to that gut feeling based on table image on whether you are more than 30% sure he is bluffing.

I think I would probably fold and wait for the inevitable "better situation".
The last thing I would want to see here is for the maniac to take the pot and then leave the table delighted with his huge stack.