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[pee-per] /ˈpi pər/
a person or thing that emits or utters a peeping sound.
Northeastern U.S. any of several frogs having a peeping call, especially the spring peeper.
Origin of peeper1
1585-95; peep2 + -er1


[pee-per] /ˈpi pər/
a person who peeps in an abnormally prying manner; a voyeur.
peepers, Slang. the eyes.
1645-55; peep1 + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for peeper
Historical Examples
  • He quietly sidled up to the hole where a peeper's nose made a knot on the tent on the inside.

    Gov. Bob. Taylor's Tales Robert L. Taylor
  • You will not have much use of this peeper for a week or ten days to come.

    Lily Norris' Enemy Joanna Mathews
  • "You bet I'll keep a peeper on him," he bragged, reaching for his hat.

    The Pirate of Panama William MacLeod Raine
  • She ran to the window, evidently startling the peeper quite as much as she had been startled herself.

    Nan Sherwood at Pine Camp Annie Roe Carr
  • But Scott, of course, had even less in common with the peeper and botanizer on maidens' hearts than with the wildest romanticist.

  • A farmer going by told him it was only a "spring peeper," whatever that was, "some kind of a critter in the water."

    Two Little Savages Ernest Thompson Seton
  • He kept his eyes on the crosshair of the peeper, one hand over the timer button.

    Anchorite Randall Garrett
  • It was the only living thing there, so he decided that the "peeper" must be a "Whistling Lizard."

    Two Little Savages Ernest Thompson Seton
  • Why, I've been longing for years to learn how peeper frogs peep.

    Wilderness of Spring Edgar Pangborn
  • I went back to the peeper screen just as Joey buzzed my signal again.

    Nor Iron Bars a Cage.... Gordon Randall Garrett
British Dictionary definitions for peeper


a person who peeps
(often pl) a slang word for eye1 (sense 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for peeper

1650s, "one who peeps," agent noun from peep (v.1). Slang meaning "eye" is c.1700. From 1590s as "young chicken" and 1857 as "tree frog" (American English), both from peep (v.2).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for peeper



A private detective; pi, private dick: And don't bother to call your house peeper (1940+)

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The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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