you dont know jack shit

you dont know jack shit a word meaning you know nothing or are too stupid to figure it out

dude whats an electric car

man you dont know jack shit you are too stupid to know what an electric car is unless you get ran over by one

by littlejimmie January 24, 2019

Jack Johnson

A blonde haired rapper/singer who is 1/2 of Jack and Jack and is super dirty. Was once part of MagCon and has super cool friends including Jake Foushe Jack Gilinsky Nash Grier and Shawn Mendes. Also is a sex God

Girl 1: OMG HAVE YOU DOWNLOADED JACK AND JACKS NEW EP CALIBRASKA?

Girl 2: YASS AND JACK JOHNSONS RAPPING IS SO DOPE

by Bringitback4shawn August 22, 2015

Jack Massey Welsh

One of the most active channels ever. especially with him posting on 3 account regularly.
Known for having many playbuttons.
Also he is known for making a channel called "TurdBoi420" and getting it to 100k subs with no videos.

have you seen the new Jack Massey Welsh video?

Yeah, that mini tesla is sick!

by RandomDefs77 June 2, 2020

jack sparrow

A caribbean cocktail-blend in human form: Dishonest, trustworthy, brilliant, hilarious, mysterious, witty, quick, agile, roguish, handsome, and much much more.

To pull a Jack : A certain lifestyle, including piracy, smuggling, impersonating an officer of the Spanish Royal Navy, impersonating a cleric of the Church of England, sailing under false colors, arson, kidnapping, looting, poaching, brigandage, pilfering, depravity, depredation, and general lawlessness.

by Jacky March 9, 2004

Jack Tretton

Jack Tretton is the President and CEO of Sony Computer Entertainment of America (SCEA), also known as the Xbane. During E3 2013 he slew the abomination of the green dragnos, Xbox One.

He totally went Jack Tretton on EA

by FatalEvolution June 10, 2013

jack kanoff

Jack Kanoff is like the name Ben Dover, only in this case when you say the name it sounds like Jacking Off, which is masturbating.

*person puts kahoot name as Jack Kanoff*
Teacher: "Who's Jacking Off?"
Kids: *laugh*

by Virgin#69 November 21, 2019

jack luo

An Asian boy that knows everything from random facts to answers of blizzard questions. He is a very interesting, sometimes weird person that cannot find what he wants to do. Even though he lacks common sense, deep down he really enjoys supporting others in what they do and is a good friend to any who dares a challenge.

Me: What are some of the stupidest mistakes anyone has made?
Jack Luo: When the United States decided to sell 1 dollar coins for 1 dollar.
Me: Why is that stupid?
Jack Luo: People can just use a credit card and get unlimited points from that cheat.
Me: ...

by Kelly Yang April 9, 2020