Meanings
Synonyms & antonyms
nounSynonym of escolar (an oily marine fish with white flesh, reminiscent of, and fraudulently passed off as, tuna)
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Origin
From Ex-Lax, a brand of laxative, because the fish flesh contains wax esters that can cause diarrhea.
Full word history & related roots →Cite this entry
APA
ex-lax fish. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ex-lax%20fish
MLA
“ex-lax fish.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ex-lax%20fish. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “ex-lax fish,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ex-lax%20fish.
Source: ex-lax fish on Wiktionary, CC BY-SA 4.0.