Suffonsified

A caller from Princeton, Texas, remembers that after a satisfying meal, her late father used to push back from the table and say, “I am sufficiently suffonsified. Anything more would be purely obnoxious to my taste. No thank you.” What heck did he mean by that? Discoveries about the expression and all its variants can be found in the article “Among the Old Words” by now-deceased Dictionary of American Regional English editor Frederic G. Cassidy, published in American Speech, Vol. 55, No. 4 (Winter, 1980), pp. 295-297. This is part of a complete episode.