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to let the bedbugs bite

to let the bedbugs bite

9.8
To wish someone a good night as a joke
  • idiom
  • Informal
translation icon : que los chinches muerdan
  • As she tucked her son in, she whispered, "Goodnight, and let the bedbugs bite!" with a mischievous smile.

Examples

  • He texted me, "Sweet dreams—let the bedbugs bite!" just to be silly.

  • Good night! Just let the bedbugs bite!

  • We laughed and joked before bed, telling each other not to let the bedbugs bite.

  • Good night! Let the bedbugs bite!

  • As she tucked her son in, she whispered, "Goodnight, and let the bedbugs bite!" with a mischievous smile.

  • He texted me, "Sweet dreams—let the bedbugs bite!" just to be silly.

  • We laughed and joked before bed, telling each other not to let the bedbugs bite.

Synonyms

sleep tight
vsto let the bedbugs bite
  • Informal
14 3.4

To wish someone a good night's sleep

is more playful and uses a pests image rather than plain comfort wish
don't let the bedbugs bite
vsto let the bedbugs bite
  • Baby Talk
8.4

A playful goodnight wish hoping someone has good dreams

uses a joking image of pests biting to wish a good night

Surface Forms

let the bedbugs bite past participle
letting the bedbugs bite present participle
lets the bedbugs bite third person singular

Morphology

let + the + bedbug + bite

This is a conventional, jocular bedtime formula whose intended meaning is 'good night' rather than the literal allowance of insects biting. A B1 learner who knows the individual words would likely interpret the phrase literally or be confused by the ironic usage; the polite/idiomatic sense is culturally specific and not predictable from the constituents.

Etymology

Let the bedbugs bite comes from an old children's rhyme that goes 'Good night, sleep tight, don't let the bedbugs bite'. Because bedbugs are small insects that bite people in their beds, the funny image of warning someone not to be bitten became a playful way to say 'good night'.