Olga, the Scalawag Wench says: All right, fellas! Who ordered the spiced rum? Was it you, Jackie boy?
Jack Adams says: Sure thing, love. Put it on Harry's tab, will you? He owes me a drink!
Olga, the Scalawag Wench says: It's ok, sweetheart. This one's on the house.
Jack Adams says: Free rum? Why...that's me favorite kind!
Jack Adams says: Sweet Neptulon! That was... one drink... too many!
His name is a reference to the alcoholic drinks 'Jack Daniels' and 'Samuel Adams'. This is reinforced by his heavy drinking habits.