The observation of a girl's underwear, hopefully a thong, that is sticking out of their pants. If its in the back, we call 'er the regular 'peaker.' For the front, see frontal peaker
"Ooo shit man...look! look! look!...she's peakin"
"Wait for it....wait for it....PEAKER!"
"We got a lil' peakpeak I see"
R: "Any good peakers today?"
T: "Holy shit man...Sam Stickels..."
"Wait for it....wait for it....PEAKER!"
"We got a lil' peakpeak I see"
R: "Any good peakers today?"
T: "Holy shit man...Sam Stickels..."
by mellin December 28, 2005
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by Annemarie Barton February 28, 2009
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Get the peaker mug.when your taking a leak in pubs or clubs urinals in and around solihull and u realise the geeza next to is peaking at ur penis.
hey dudes think penis peaker mikey is on the prowl again i was just taking a piss and there he was peeking on me. he had his phone out this time taking a picture.
by ashtray257 October 11, 2006
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