"Ventripotent" is a fun adjective for subtle insults, as it means having a large belly, or gluttonous in eating. It came to English through French from the Latin roots "ventri" (belly, stomach) and "potent" (powerful). It's not a very common word in English, but some well-known authors have used it:

"The ventripotent mulatto, the great eater, worker, earner and waster, the man of much and witty laughter, the man of the great heart and alas! of the doubtful honesty, is a figure not yet clearly set before the world..."
-- Robert Louis Stevenson, Memories and Portraits

"I hope.. that the Monico made up.. for the absence of one ventripotent scortatory Krut."
-- Dylan Thomas, 1942 Letter

Google searching reveals that the word is used far more often in French than English, though the meaning is the same -- for example, a review of Shrek 2 describes the title character as "ogre vert cradingue et ventripotent" (a grubby, big-bellied green ogre").

Sources:
http://wordsmith.org/awad/archives/0803
http://www.tiscali.co.uk/reference/dictionaries/difficultwords/data/d0013514.html
http://www.merriam-webster.com/cgi-bin/wftwarch.pl?101504
http://phrontistery.50megs.com/v.html
http://www.islandnet.com/~egbird/dict/v.htm
http://www.kokogiak.com/logolepsy/ow_v.html
http://robert-louis-stevenson.classic-literature.co.uk/memories-and-portraits/ebook-page-57.asp
http://home.mn.rr.com/wwftd/archives.html
http://www.journaldudvd.com/previewdvd.php?id5=2875
http://www.ultralingua.net/index.html

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