Big Dirty 

A large criminal plan. Usualy organised while spending time in jail for another crime.

"I got this plan for a big dirty after I get outta here"

Big Dirty by zoobtoob December 10, 2006

Big Dirty 

An enormous and/or monstrous poopie that is taken in the morning after a long days digestion.

To best encourage a successful Big Dirty one must recite "Big Dirty" multiple times. How loud one can say "Big Dirty" is up to the speakers discretion. This repetition can also be used to invite others to perform a successful Big Dirty.

Reciting "Big Dirty" can also be used to set an uncomfortable tone in any crowded restroom, public or private.

Stall 1: "Big Dirty, Big Dirty, Big Dirty"

Stall 2: Inhabitant leaves the restroom due to uncomfortable atmosphere.

Big Dirty by The Big Dirtier November 16, 2010

Big Dirty 

Something so awesome and cool, yet gross and greasy.

"Dude, that body suit is old and smells funny..." "WHATEVER, ITS THE BIG DIRTY"

Big Dirty by Nazzy Man and EChris December 13, 2009

Big Dirty 

Common Nickname for Chief Perkins. Sounds far better than biker trash.

Did you see that sweet sweater big dirty was wearing???

Big Dirty by VFA-83LINERATS December 18, 2009

Big Dirty 

Any amount of cocaine

Let's do a Big Dirty before the concert

Big Dirty by --Mick-- November 21, 2005

Big Dirty 

A type of belligerent persona, often found passed out fully clothed with open food around him, with the t.v on full blast. Notoriously known to be "forever alone" this specimen will continuously attempt to prove himself despite making a mockery of himself hours ago.

Wow! What a big dirty...

Oh man did you see big dirty last night??

He's big.....he's dirty....your girlfriend hates him...he's big dirty Blake!

Big Dirty by Poloro4 April 7, 2011

Big Dirty 

A girl with a nice face, but a heavy build. May also be considered as girl who is just fat, or a girl who is fat and ugly.

That girls a Big Dirty, or Toms girlfriend's a Big Dirty or BIG DIRTY!

Big Dirty by yourmom647 April 15, 2011