The Grand Finale 

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.

The Grand Finale by Swuan January 13, 2009

The Grand Finale 

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"

The Grand Finale by Goldy5 June 17, 2008

The Grand Finale 

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!!

The Grand Finale by Amansworstnightmare January 7, 2018

The Grand Finale 

When you come.

Jenna: OMG I'm close!
Brad: Close to what?
Jenna: The Grand Finale! Don't stop!

The Grand Finale by MudderFukcer June 4, 2020