The act of taking a shit in a toilet already filled with shit because either
A.) It has become clogged or
B.) You're having a Double Stacking contest
A.) It has become clogged or
B.) You're having a Double Stacking contest
J: Man, I was at Ray's the other night and had to take a monster shit, but when I got to the bathroom, the only toilet was already full of putrid shit!
DOOKIE: NO! What'd you do man?
J: Well I tried to flush it, but it just spun around a bit. There was no way I was gonna make it home without squirting all over myself.
DOOKIE: Dude, tell me you didn't....
J: Yep, I just Double Stacked it.
DOOKIE: FOUL!
DOOKIE: NO! What'd you do man?
J: Well I tried to flush it, but it just spun around a bit. There was no way I was gonna make it home without squirting all over myself.
DOOKIE: Dude, tell me you didn't....
J: Yep, I just Double Stacked it.
DOOKIE: FOUL!
by The Cheetah Dude August 1, 2005

by juicedmaster April 17, 2014

by majorsopa January 9, 2021

Another word for a comb over.
Derived from the flappy lid thing that tractors and american style lorries used to have over their upright exhausts that flap when the engine is revved hard.
Perfect exponents of the diesel stack= Jackie Charlton the footballer and the Rab C Nesbit character off of the Hamlet cigar adverts
Derived from the flappy lid thing that tractors and american style lorries used to have over their upright exhausts that flap when the engine is revved hard.
Perfect exponents of the diesel stack= Jackie Charlton the footballer and the Rab C Nesbit character off of the Hamlet cigar adverts
by ebuyergum July 14, 2009

by My Dude son January 19, 2009

A sexual act in which a minimum of nine men are pleased by a single woman. It is important that all men are Caucasian. Also, it is recommended that you carefully plan out your dack stack, so that everyone is coordinated in what to do and where to go. Yes, her belly button counts.
by sexyjerry January 9, 2011

CB lingo for getting some sleep; frequently used by people that did drugs in the 70's and/or watch Smokey and the Bandit whenever it's on cable
John: "Hey man, what are you doing?"
Rick: "I'm getting ready to start stacking z's before I have to go out on a long haul tomorrow."
or
John: "I think it's time to hit the hay and stack some z's."
Ginger: "OK, I guess we won't have sex then."
Rick: "I'm getting ready to start stacking z's before I have to go out on a long haul tomorrow."
or
John: "I think it's time to hit the hay and stack some z's."
Ginger: "OK, I guess we won't have sex then."
by gor8drz April 7, 2010
