Meanings
verbfat up (third-person singular simple present fats up, present participle fatting up, simple past and past participle fatted up)
present singular third person fats up · participle present fatting up · participle past fatted up · past fatted up
Synonyms & antonyms
verbSynonym of fatten up (to cause to gain weight by means of feeding)
Similar
Cite this entry
APA
fat up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fat%20up
MLA
“fat up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fat%20up. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “fat up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fat%20up.
Source: fat up on Wiktionary, CC BY-SA 4.0.