When you put pop rocks in the tip of the condom so when you finish its like the grand finale on the 4th of july on yo dick!
Girl: why do you have pop rocks with you condoms?
NiggaDude: thats just for the grand finale girl
Girl: grand finale?
NiggaDude: yeah girl when im done im gonna make your pussy feel like the forth of july.
by Swuan January 13, 2009
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The act of titty fucking a girl, then proceeding to rip her tits off mercilessly and shove them up her vag. Once her severed tits are in place, you proceed to fuck mercilessly. This serves as fucking the tits and vag simataniously.
"Yo i heard Caron had to go to the emergency room after your party last friday.."
"Yep, gave her The Grand Finale, and the bitch couldn't handle it"
by Goldy5 June 16, 2008
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The final round of the DUFF comp where one team gets to beat Phteven
Hey I wonder who is gonna beat Pht in the DUFF Grand Final this season?
by Duffmish August 22, 2021
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Jenna: OMG I'm close!
Brad: Close to what?
Jenna: The Grand Finale! Don't stop!
by MudderFukcer June 4, 2020
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The Grand Finale aka The Grand Fucking Finale is another term used for breakup sex
Him: WE'RE OVER!!!

Her: You can't forget The Grand Finale!!
by Amansworstnightmare January 7, 2018
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