Top Definition
The act of looking at something or someone without permission or consent
"you're such a peepster! stop looking at my homework!"
by oiutv December 03, 2014
2 more definitions
8 Words related to Peepster
a grey and cookie-faced cabbit.
the peepster was booboobooing whilst trying to get the birdies.
by mommy peepster. August 16, 2003
The male ureo-copulatory organ; penis.
"I can see your peepster!"
by CC April 29, 2002

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