crackjack

a word meaning okay;also used for crackhead

maya:do you wanna go to the mall?
anna:crackjack!

by maya April 04, 2003

Crackjack

Verb
-to hijack someone's game of TriviaCrack and choose the wrong answer

John: Hey! I know that one.
*Takes Ken's phone and answers "50" to the question "How many stars were on the original American flag?" Gets the question wrong.*
Ken: Hey why'd you crackjack me man!?!

by mrmojorising71 December 22, 2014

CrackJack

(Crr-Ack-Ja-Aack)
Noun.
Refers to someone rediculously immature,stupid,or just plain out retarted.

Dude we went to chruch with my girlfriend and my brother was acting like a total "crackJack",I was totally ruined.

by mxxx July 11, 2008