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Packet sniffer 

A computer program designed to intercept and analyze network traffic, enabling users to capture and inspect data packets flowing across a network (i.e. internet). People use packet sniffers for troubleshooting, network analysis, but more often than not it is used for unauthorized purposes such as eavesdropping and gathering sensitive information on an unsecured network (think public WiFi hotspots). Popular packet sniffer programs include Wireshark, Tcpdump and Snort.
Concerned about his roommate's secretive behavior, Mark decided to employ a packet sniffer program on their shared Wi-Fi network, hoping to uncover any hidden online activities or personal information being intercepted without consent.

Pocket Sniffer 

A term to refer to an animal when Sniffin yo damn pockets! like, get out of there! there ain't no food!!
My dog bella kept thinking there was food in my pockets so I said "BEGONE POCKET SNIFFER"!
Pocket Sniffer by EnvyListed December 23, 2021

Pocket Sniffer 

An insult That Envy Uses on Discord when somone try's to roast him on discord in Aches's server
you're a Pocket sniffer Bitch
Pocket Sniffer by StackyMcgee January 24, 2022
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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