G4gasm 

When a something awesome happens on G4.

Dude, Olivia just deep throated a hot dog. I think I just had a G4gasm.

G4gasm by UncleRichie March 31, 2009

Gigasmatronic

Holy cow thats goddam massive

Dr Brown's baby was 10lb 4.5oz, thats one gigasmatronic Brown baby

Gigasmatronic by Ally Dinsdale March 31, 2009

GaGasm 

The rush you feel from witnessing and/or experiencing something of or by Lady GaGa.

Oh my god Ralph, have you heard Lady GaGa's new single? It totally gave me a GaGasm.

These threads are GaGasmic

GaGasm by Sgt. Salt September 6, 2009

gygasmic

gigantic/ginormous/orgasmic = gygasmic. massive, impressive, cool, amazing

dude, this club is gygasmic.

gygasmic by solis1 October 12, 2010

Gigasm 

Multi-Orgasmic experience by either sex. Often achieved through a mutual sexual attraction and some romantic feelings towards each other.

"Hey Nina, yesterday was great I think I love you. You gave me the gigasm of my life!"

Gigasm by SadWingsThorn October 4, 2008

gigasmic 

orgasmically giant

u r such a gigasmic tard

holy crap! that girls ass is gigasmic!

how are gigasmic babies born?

gigasmic by jacobvandy April 1, 2004

Ggasm 

A variation of g-gasm --another word for a g-spot orgasm. Made popular by the book "Boink Her Pink"

Sally loved it when I boinked her pink 'till she had a ggasm.

Ggasm by Bonnie January 28, 2009