blimp out


Also found in: Idioms.

blimp out

vb
(intr, adverb) slang to become greatly overweight
References in periodicals archive ?
Before fall migration, they blimp out in Alaska until fat accounts for up to 55 percent of their body weight--the highest proportion of fat he's heard of in birds, says Theunis Piersma of the University of Groningen and the Netherlands Institute for Sea Research.
The researchers have found that European carp blimp out over a period of several weeks in the presence of pike so they won't fit into the predators' mouths.