float someone's boat

verb

To interest or appeal to someone; to make someone happy.

“I invited Lily to join us, but horror films don't float her boat.”

Similar
melt someone's buttertickle someone's fancyturn someone's crankbe someone's cup of teabutter someone's biscuit
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Meanings

verbfloat someone's boat (third-person singular simple present floats someone's boat, present participle floating someone's boat, simple past and past participle floated someone's boat)

present singular third person floats someone's boat · participle present floating someone's boat · participle past floated someone's boat · past floated someone's boat

  1. idiomaticslangTo interest or appeal to someone; to make someone happy.

    I invited Lily to join us, but horror films don't float her boat.

    Synonyms: melt someone's butter, tickle someone's fancy, turn someone's crank, be someone's cup of tea, butter someone's biscuit

Synonyms & antonyms

verbTo interest or appeal to someone; to make someone happy.

Similar
melt someone's buttertickle someone's fancyturn someone's crankbe someone's cup of teabutter someone's biscuit
Also see
butter someone's biscuitmelt someone's butterturn someone's crank
Cite this entry
APA

float someone's boat. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/float%20someone's%20boat

MLA

“float someone's boat.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/float%20someone's%20boat. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “float someone's boat,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/float%20someone's%20boat.

Source: float someone's boat on Wiktionary, CC BY-SA 4.0.