Jacksmack 

A mix between a dicksmack and a jack-off.

What does her dad do for a living?

Nothing he is a jacksmack.

Jacksmack by Bad penguin March 20, 2011

Jacksmack 

Your bestfriend that isn’t friends with all your other bestfriends but is still kewl. Watches a lot of kpop though, he likes twice. ;) ;-;

OMg it’s motherfucking Jacksmack *faints* *gets spit on*

Jacksmack by JACKALOU'S FAKE FRIEND August 29, 2018

Jacksmack 

To talk smack to someone in a jackass-y way

don't be talking jacksmack to me, asshole!

Jacksmack by PyroPenguin December 1, 2003

JackSucksAtLife 

A Youtuber Known For Humping Plants, Looking At Youtube Analytics, Playbuttons And His Past Days Of Tooting His Kazoo At Hackers On Minecraft.

P1: "Hey do you remember Jacksucksatlife?"
P2: "Yeah he was the person who humped a plant!"

JackSucksAtLife by Lukasucksatdefinitions April 29, 2020

jackstack

Smoking hot administrative assistant who makes up the thin line between loving your job and quiting.

I wasn't going to come to work today, but with jackstack around, it aint so bad.

jackstack by Beeyo November 1, 2007

jackpack 

n. The bag in which Jack Bauer carries his gun, PDA, ammo, cell phone, duct tape, knife, scope, etc. It is NOT a man purse.

The terrorists thought they had Bauer at last, but he pulled a bazooka out of his jackpack.

jackpack by SkidMarkyMark May 12, 2006

JackSucksAtLife 

JackSucksAtLife is a notoriously known YouTuber for his trends of bullying children over minecraft and putting Kazoos as deep into his throat as possible.

I got a sore throat from trying that JackSucksAtLife magic Kazoo trick last week

JackSucksAtLife by SkinnyPeanut December 27, 2018