Wi-Firacy 

Origin: Derived from the terms "Wi-fi" and "Piracy".
The act of using a remote company's wi-fi network to avoid using all your limited data plan. For example; if you have the cheap version of the iPhone's data plan and need to get data on somebody else's network / expense.

Ah, you may very well have been a victim of Wi-Firacy.

Wi-Firacy by bjordan July 13, 2010

Wi-Fiend

Noun. Wi-Fiend

A person who is unable to function in a social context without the need to refer constantly to their wi-fi enabled device/gadget.

God Riadhna, you're such a Wi-Fiend - put your phone down and talk to your family

Wi-Fiend by Sentasty November 27, 2012

WI course 

Writing Intensive course

I'm taking a WI course next semester

WI course by 1Rogue December 17, 2013

Wi Tjalas

Betyder "Vi Tales".
Giv den gas med at benytte det, så jeg kan overbevise mine teens, at det udtryk bliver slang! 😉

Wi Tjalas udtales W-i Tja-las

Wi Tjalas by Mister Viking August 16, 2017

wi-fire 

When your wi-fi is spotty for an entire day but is normal the next.

urban dictionary faggot Why weren't you emailing me yesterday?
urban dictionary employee I had a wi-fire. Sorry!

wi-fire by JTCSDerp December 11, 2017

Wi-5 

To deliver a high-five to someone from a distance and/or without making physical contact. Especially useful across a video call or to prevent the spreading of germs.

Nice job... wi-5, fam!

Wi-5 by Thunderfloof January 9, 2020

Wi-five 

Wireless high five

Jim gives a high five motion to Matt from across the room, who returns the same motion, thus completing the wi-five.

Wi-five by poisonedhearts7 September 24, 2020