Superlative form of portly: most portly.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "portliest" in a sentence
"Lawyers, in a drunken caw, renounced the distant day — the portliest member of they, raising his fist with glass in clutch, greeted with a coarse hearhere!"
"The Daily News reports today that "For both candidates, Wall Street's investment and banking sectors have become among their portliest cash cows, contributing $9.5 million to Obama and $5.3 million to McCain so far.""
""Very pretty!" murmured the ladies, and the portliest of them went a step further and added: "_And_ cheap!" but no one showed the faintest disposition to buy."