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

crackerjackin 

When you are on E and coke at the same time

Liz was rolling on E while high on coke, she was hardcore crackerjackin

crackerjackin by Youdog February 1, 2014

CrackarJack 

A cool, funny, swaggy guy or girl.

The kid was so CrackarJack when he told that funny joke.

CrackarJack by XCrackarJack February 19, 2018

crackerjack 

racist term for a white person

shut up crackerjack

crackerjack by uncle rukus March 16, 2011

crackerjacker 

Noun

1. A person who steals the toy or surprise from a box of crackerjacks, cereal or happy meal without the intention of eating anything.

2. A retarded criminal who, in an attempt to rob someone, threatens bodily harm with a saltine cracker.

"That crackerjacker got me for my decoder ring and I'll bet he touched every Fruit Loop in the box with his grubby, dirty, little fingers."

crackerjacker by billebllunt May 14, 2014

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