A guy that checks out another guy's package (dick and balls) to see how they stack up against his own. Package peaking most commonly takes place in gym locker rooms and public restrooms.
Duder 1: "What the fuck? Did you just look at my dick man?"

Duder 2: "No way, I ain't a package peaker dude."

Duder 1: "Yes you did! After I finish shaking my dick off, I'm gonna kick your ass."
by westfalia December 29, 2010
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On the rare occasion, a girl will peak in the front, which includes their underwear stickin out, hopefully a G or T :). If one does see a frontal peek...make sure you tell everyone you know. A girl with a frontal peek either has huge tits and can't see it or is just a whore. Either way....cool
T: "We have any peakers for the day?"
R: "Hoooo! Sam had a fuckin frontal peaker!"
T: "NO WAY!"
R: "Yes.
T: "NOO WAYYY!"
R: "Yes."
T: "No Way."
R: "...yes."
by mellin December 2, 2005
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In gaming when the player peaking or moving has the advantage of seeing a player first due to latency.
Two Tom Clancy's rainbow six siege players
Player one: gets spawn killed
Player one: I didn't even see him but he was right in frount off me
Player two: yeah he's got 300 ping
Player one: soooooo...

Player two: high ping=lots of peakers advantage
by Moon man 375 February 14, 2018
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The act of gutting and disemboweling a dead hooker then fucking her so you can see your penis peaking out from her insides
My cock looksmuch bigger from the inside. My penis peaker is awesome
by Shewmanga February 10, 2017
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After you have done a little too much methamphetamine and think people are in your yard, so you continuously look out the blinds until they are bent back on some parts
"No one else give Darlene any more dope she went tweaker peaker on my blinds"
by lucyinthesky91 September 19, 2018
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A person who wears a mask, but their nose is peaking over the top.
I left the store as soon as I could. Everyone was wearing a mask, but there were a lot of beak peakers.
by Wormholio August 15, 2020
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pascal the peaker is a man who watches another man piss in a public washroom
dude: *piss*
pascal: nice setup
dude: SMOOTH MOVE PASCAL THE PEAKER!!!
by sir yohanis March 12, 2008
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