Roy/Shobute - Can you elaborate a little. I dont think I follow what you mean by exploitable. The way I understand it, it would be exploitable if you're giving him license to turn worse hands into bluffs as soon as you indicate that you dont have the nuts or close. But in this case it seems highly unlikely since there arent that many worse hands he could have got to this point with that he could turn into a bluff.

From his pov, he's probably going to assume you folded trips. I dont think you open yourself up to being bluffed at an uncomfortable frequency later simply cause you folded trips playing this deep.

Or am i way off?

i would muck muck muck.

i worry less about being exploitable when im super-deep and most people don't have the skills or balls to try to exploit me.

just to clarify something for lower stake ppl...as well as for everyone..I dont think that folding here is exploitable since so few(actually I dont think I met anyone) sophisticated enough at 5/10 and below to pull of such bluffs at 6max(played several sites). At HU, there are people who understand game theory a bit more even at lower stakes and are capable of making this move.
Its kinda hard..Villain can't put us on anything besides Kx or flush IMO. He could be doing this for value eventough his line doesn't make much sense. He practically cant even have a flush unless its AJs or A8s(I dont know if he defends all suited aces) since we have most big aces blocked with Qs, Ts, 9s, Ks leaving only Js. Same goes for SC, he can practically only have baby flush. Thus...its either baby flush(extremely unlikely given stack size and river action) or some sort of FH/nut flush. Its kinda unfortunate that if we look at it from this perspective hero only has a buff catcher. Only hand that makes sense is QJx(again we have good amount of blockers) that would bluff us unless is some total random 3 barrel bluff(doubt that he would do it on that board tough). Again this is 1/2 and I really don't know(havent played it in a really long time) how advanced players can be(actually this guy needs to be damm good and extremely expectational for this stake to pull this off unless he is a total spewtard. I would probably play flop more aggressively(player dependent) and I would fold river.