The day before Ash Wednesday; the end of the Carnival season which begins on January 6. It's a public (and paid) holiday in New Orleans, so there's not really much to do after the parades. Of course, there is Bourbon Street, but only if you're a hopeless alcoholic, a complete loser, or a skank who is willing to show her breasts for Chinese plastic beads worth about twelve cents.

The day before is called Lundi Gras.
Man 1: "Dude, I waited until the night before Mardi Gras to go to New Orleans, because I didn't know that there's nothing to do the next day. Even the coffee shops were closed!"

Man 2: "You're an idiot."
by ebenezer booze March 18, 2012
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a pagan holiday that's probably the origin of the first gay pride parade

it's like a gay pride parade/burning man festival/girl's gone wild anal-sex/cunnilingus parade
by it's very [Old Europe] February 9, 2005
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In Australia, Mardi Gras is a celebration of the Gay Lesbian, Bisexual and Trangender community where they participate in a parade with floats that are flamboyant and often depict naked people. This parader celebrates the LGBT community and is often attended by straight people, supporting the community. Groups involved are the "Dykes on Bikes", PFLAG etc. This parade has alot of nakedness, mesh and plastic clothing.
Did you see that shirt he's wearing- definitely belongs at Mardi Gras
by Dimsims July 15, 2009
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n. The putrid, festering liquid that accumulates along curbs and in potholes on Bourbon Street during Mardi Gras. Mardi Gras Juice is usually made up of several distinct liquids, including (but not limited to): beer, spit, urine, Pat O'Brien's hurricanes, semen, human blood, rainwater, mucous, suntan lotion, feces, sweat, pig's blood, assorted other alcoholic beverages and soft drinks, breast milk, tears of lost souls, and rich, chocolatey Ovaltine.

Needless to say, Mardi Gras Juice should be considered hazardous and should not be consumed or handled in any way, unless you find some streads in it that can be exchanged for a boobie flash.
That guy just stepped ankle-deep into a puddle of Mardi Gras Juice. If that were me I'd cut off my own foot.
by The Slow Kid July 8, 2006
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You will win the lotto when they have Mardi Gras in Mecca
by boz74 March 8, 2011
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"Like a crab at Mardi Gras" - a delightful expression portraying someone who fully embraces the spirit of joy and celebration, just like a carefree crab reveling in the festivities of Mardi Gras. This person radiates an infectious enthusiasm, dancing and mingling with uninhibited glee, adding an extra dash of whimsy to any gathering. Their exuberance is as vibrant as the flamboyant costumes and lively music, spreading laughter and creating memorable moments wherever they go. Their presence is a reminder to embrace life's festivities with a pinch of humor and a whole lot of fun.
We partied like crabs at Mardi Gras this weekend.

I got a new mattress, I'm going to sleep like a crab at Mardi Gras.
by CrabPatty June 8, 2023
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When you toss the stuff from Mardi Gras parades back at the people on the floats.
Person 1: If Tom Brady were ever on a Mardi Gras float, I'd 100% Reverse Mardi Gras that son of a bitch. Kid probably rushed AEPi at Vandy.
Person 2: I'm saving the spear that I caught at Orpheus just for him. I don't like quarterbacks who hook up with their kids. HOW YOU LIKE THEM APPLES TOM?!
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