fat as a pig

(as) fat as a pig

Exceptionally fat or obese. I love going to the beach, but I'm going to look as fat as a pig in this swimsuit.
See also: fat, pig
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

*fat as a pig

exceptionally fat; grotesquely fat. (*Also: as ~.) If I don't stop eating this cake, I'll be fat as a pig! You really ought to go on a diet; you're as fat as a pig.
See also: fat, pig
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Pauwels said that Bison is fat as a pig, adding that he is 15 kilograms too heavy and he's going nowhere.'