Fatsuit

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A bodysuit-like undergarment designed to make the wearer look fatter.

    "Nathan Young, a software engineer, told me, “I remember hearing about Eliezer [Yudkowsky], who was known to be a heavy guy, onstage at some rationalist event, asking the crowd to predict if he could lose a bunch of weight. Then the big reveal: he unzips the fat suit he was wearing."

Example

More examples

"Nathan Young, a software engineer, told me, “I remember hearing about Eliezer [Yudkowsky], who was known to be a heavy guy, onstage at some rationalist event, asking the crowd to predict if he could lose a bunch of weight. Then the big reveal: he unzips the fat suit he was wearing."

Etymology

From fat + suit.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.