crackerjack 

Something that is very cheap in design. This comes from the cheap, useless toys that come in boxes of crackerjack.

That's my crackerjack flashlight. Already falling apart.

Where did you get that car? It's so crackerjack.

crackerjack by ArnisadorT November 17, 2006

Crackerjack 

Someone who intrudes an organized setting.

Often used in Xbox Live.

Originated In NJ

On Xbox 360:

Me: I got your back.
Friend:OK im going.
Me: The target is there!
Random Person: Hey Guys Can I Join??
Me: CRACKERJACK!

Crackerjack by bgon April 19, 2009

Crackerjack 

Someone who is a crackerjack, is someone who is greatly humourous, and is able to "crack" you up, i.e, induce a great amount of laughter from you.

Adam: So then I said, that's not a chevy, it's a fjord!

Gary: You're a real crackerjack, Adam.

Crackerjack by Mister Schmidt May 23, 2010

crackerjack 

racist term for a white person

shut up crackerjack

crackerjack by uncle rukus March 16, 2011

crackerjack 

A game played with multiple males, where the objective is to jack off onto the cracker as quickly as possible. The last one must eat the cracker.
Also: Snapple Jack

Those fags crackerjacked all last night.

crackerjack by WyndX April 12, 2003

Crackerjack 

Word used to describe a crack head, or drug abuser- typically a white male. Also see crackhead

Aye look at that white boy over there fuckin' faded. Such a Crackerjack.
He tryna act like us but he know he ain't bout that life. Just another Crackerjack.

Crackerjack by mira_fooooo May 3, 2015

CrackerJack 

A name the Marines use to refer to the Navy or Navy uniforms.

Me: He wears ACUs, right? Guys in those are hot.

Marine Brother: Hes a god damned crackerjack, sis.

They wear those little sailor suits.

Me: D: DO NOT WANT.

CrackerJack by MetaKittie January 3, 2010