jackmaback 

is a sexual position only which the italian gods may use for they are the only ones who can accomplish it anyways

jamie, wow i cant believe you did they jackmaback at that party

jackmaback by jamiepooch September 29, 2008

jackalackin

Masturbating to a student handbook or other non pornographic material. Aka your a fucking fag

You memorized the student handbook? No my friend did he was jack, jackalackin around to it.

jackalackin by Deebobo2003 February 4, 2016

Jackalacken

Definition 1: A zoomer that looks for the most recent hot most talked about games to go pro in.

Definition 2: You will find him playing multiplayer only games (still hasn't beaten Halo: Reach legendary PepeHands).

Definition 3: Takes 30 minutes to figure out how to damage a hunter in Halo: Reach let a lone kill it (even 6 year old Cab00se figured it out within 5 minutes).

Definition 4: Gremlin

Definition 1 example: "Valorant will be my game. Just like Overwatch which was suppose to be my game...."

Definition 2 example:

Cab00se: "Finish Halo: Reach legendary."

Jackalacken: "I'm playing CS:GO to prepare for Valorant."

Cab00se: PepeHands

Definition 3 example:"HOW THE FUCK DO YOU KILL THIS THING!?!?!?!?!?!?!?!?" He didn't know PepeLaugh

Definition 4 example: "Don't feed at midnight."

Jackalacken by Cab00seWasTaken March 7, 2020

jackback

An episode of LOST that is Jack-centric.

"Dammit! ANOTHER jackback this week?

jackback by skc107 June 20, 2007

jackalacker 

Schiester or scammer, someone who tries to get over on you or hustle you any chance they can

That jackalacker said he was hooking things up but charged me more

jackalacker by S8tanicTattooist October 13, 2016

jackalack 

To be bored shitless and doing nothing at all.
Being lazy.

Person #1 - "So what're you doin today?"
Person #2 - "Nothin... just jackalacking around the house."

jackalack by Kain December 10, 2003

jackalack 

(noun) One known for being less than intelligent. Having a low I.Q. and usually acts in a very retarded manor. Also used as a "G" rated version of jack ass.

Butlers wife beat him down for being a jackalack!

jackalack by fox_cri September 25, 2007