shit in someone's Cheerios

verb

Synonym of piss in someone's cornflakes.

“That woman shit in her husband's Cheerios when she divorced him on their anniversary.”

Similar
piss in someone's cornflakes
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Meanings

verbshit in someone's Cheerios (third-person singular simple present shits in someone's Cheerios, present participle shitting in someone's Cheerios, simple past and past participle shit in someone's Cheerios or shitted in someone's Cheerios or shat in someone's Cheerios)

present singular third person shits in someone's Cheerios · participle present shitting in someone's Cheerios · participle past shitted in someone's Cheerios · past shitted in someone's Cheerios · participle past shat in someone's Cheerios · past shat in someone's Cheerios

  1. humorousidiomaticoftenslangvulgarSynonym of piss in someone's cornflakes.

    That woman shit in her husband's Cheerios when she divorced him on their anniversary.

    Synonyms: piss in someone's cornflakes

Synonyms & antonyms

verbSynonym of piss in someone's cornflakes.

Similar
piss in someone's cornflakes
Also see
burst someone's bubblepiss in someone's cornflakespiss on someone's bonfireput a damper onrain on someone's parade

Origin

From the breakfast food Cheerios. The term comes from the notion that defecating in someone's Cheerios would ruin their day.

Full word history & related roots →
Cite this entry
APA

shit in someone's Cheerios. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/shit%20in%20someone's%20Cheerios

MLA

“shit in someone's Cheerios.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/shit%20in%20someone's%20Cheerios. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “shit in someone's Cheerios,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/shit%20in%20someone's%20Cheerios.

Source: shit in someone's Cheerios on Wiktionary, CC BY-SA 4.0.