If the party succeed a passive DC 18 InsightCheck, or have Jaheira in the party, it is revealed that Phostlethwaite is not actually drunk but just pretending to in order to keep Tut out of trouble. If the party fail the check, it is neccessary to pass a DC 15 ConstitutionCheck to resist Tut's belching.
If the Stone Lord's plans are revealed by Uktar, Tut will tell the party to "G'WAY", with Phostlethewaite mentioning he's all riled up. No further information can be obtained from them.