look up any word, like dirty sanchez:
 
1.
Jesus. Haven't y'all seen South Park? A Hoobajoob is a random, usually large, object.
Chef: My lord, the vistors kidnapped Cartman, and stuck a big metal Hoobajoob up his butt!
by Leiko October 03, 2004
 
2.
A synonym for thingamajig, whatchamacallit, ka-jigger; used when the name of an entity is unknown.
He was using some kind of hoobajoob to get the job done faster.
by MLM for Cash January 15, 2007
 
3.
A synonym for thingamajig, whatchamacallit, ka-jigger; used when the name of an object is unknown.
He was using some kind of hoobajoob to get the job done faster.
by Ian Grice January 13, 2007
 
4.
a girls naughty bits..aka pussy, cunt
He had his cock stuffed so far up my hooba joob.
by lacee September 13, 2007
 
5.
A small creature that resembles a gumdrop with tentacles. Hoobaji are native to the planet XX5-Hooba.
Nicole: Hey Paris, have you seen my Hoobajoob?
Paris: Yeah, I kidnapped it and made a sex tape with it.
Nicole: Well, I don't blame you. Once you go gumdrop, you never go back!
by zaa September 04, 2004
 
6.
A phrase used when one does not understand something else, or is generally confused.
"Hey, man, I just heard that your mom and a monkey were caught outside the Seven-Eleven yesterday smoking a big-ass chunk of donkey."

"... hoobajoob?"
by Zente June 02, 2005
 
7.
seek definition to: asshole
What kinda bullshit driving is that!? ... that guy, what a fuckin hoobajoob
by ronak patel August 17, 2005