A very happy state of mind; pure joy. When everything works out in your favor, you're happier than a pig in shit.

Pigs seem to be happiest when they are wallowing in their own filth.
I just got a promotion, a raise, a window office, AND an assistant! When I think about my life right now, I'm a pig in shit!

When Steve won the lottery, he was a pig in shit.

Tawny and I went out last night, and we went all the way! This morning, I woke up a pig in shit!
by Slamnanigans May 21, 2009
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Used to describe the aroma of Pipe Tobacco, Ducados or Gitanes.
'Fuck me man, what the fuck is he smokin' Pig Shit and Tram Tickets'?
by MongyMax November 2, 2007
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A slob of Irish decent who doesn't seem to care about the degree of filth that they live in and makes no effort to better their situation. Most likely poor, but not always. Pig Shit Irish is more of a frame of mind then a economic status.

Opposite of Lace Curtain Irish

Even more white trash then Shanty Irish.

Most likely comes from the stereotypical drunk, potato eating, pig farming Irish.
by RIP Frank Grimes August 24, 2009
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Definition 1:
A long expression used in reaction when something unbelievably crazy has just occurred / been witnessed / someone has found out about.

Definition 2:
Can also be used to describe the actions of an individual or group, who has just completed something of remarkable skill or achievement, and are worthy of comparison to Batmans skills.

Derived from the Robin ‘The Boy Wonders’ TV show catchphrase;

“Holy (insert object / person / event here) Batman!!”
Example 1:

Greg: “I just saw two trains crash together, and everybody onboard walked off alive!”

Jake: ”Holy fucking pit shit Batman!”

Example 2:

James Bond: "I just saved the world, killed the bad guy, fucked three women, and learnt how to tap-dance all on the way back here to HQ"

M: "Holy fucking pig shit Batman!"
by Mr Captain Monkey February 7, 2012
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Exceedingly joyful and content in a particular setting.
Happy as a pig in shit, Brad was thrilled to read in any public library.
by Filthy Don June 16, 2019
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The facial expression found on incompetent jackasses while they are experiencing some sick sense of accomplishment after performing an act of dumbfuckery. Usually this facial expression, performed among other people, is followed by the individual getting their fucking teeth knocked out.
"Wipe that Pig In Shit Grin off your face before I knock your brains loose."
by bullusuckamuthafucka January 21, 2006
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