A term used to describe the contorted facial expression Matthew Fox's character, "Jack Shephard", makes when he is angry, yelling, or just plain acting crazy on the television show "Lost"

"Did you see that awesome Jackface Jack made when he was shooting at 'The Others' last night on Lost?"

Jackface by Bob the Rook July 30, 2008

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jamsauce

A song that is totally and completely jammable; in a righteous way.

Turn it up man! That song is hella jamsauce. jam jammin sweetsauce groovin jammable moveable grooveable boppin-alongable immobilizing cool beans

jamsauce by groovinbabez November 21, 2010

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Ultimate Jackface

The Ultimate Jackface is a meme from the Lostpedia Forums in which the member JoeyeoJ discovered a moment in the penultimate Lost episode "What They Died For" in which Jack Shephard, played by Matthew Fox, looks directly at the camera. The original poster continued to post various pictures, including Lost screenshots, in which the face is inserted into the shot. Sometimes text is included and sometimes they are in a multi-panel form like a Dinosaur Hed, a similar meme from the Lostpedia Forums. Other members of the forum have also taken to making these. The name references the various faces that Matthew Fox makes while playing the character of Jack, which have become known as Jackfaces.

Have you seen the Ultimate Jackface yet?
No, what is it?
Dude, it's crazy! Foxy looks directly at the camera!
He breaks the fourth wall? In Lost?! I gotta see this!

Ultimate Jackface by Yossarian2342 May 25, 2010

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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

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