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
by Sgt. Salt September 6, 2009
Get the GaGasm mug.
to gag and orgasm at the same time, the most common occurrence is when you are completely disgusted and turned on at the same time
Markus: god that gave me a gagasm
Tobias: wut
Markus: you know, a gagasm a gag orgasm. i mean it was bad yet also good i guess
Tobias: wanna go eat some kiev
Markus: ja
by Infernex September 28, 2020
Get the gagasm mug.
The opposite of an orgasm
That fucker is so ugly it gave me a gagasm.
by Gagasm March 29, 2015
Get the Gagasm mug.
The act of receiving and orgasm from seeing or hearing lady gaga perform.
Joe: "Dude I was on you tube, and that Dirty Ice cream song came on, talk about a huge Lady-Gagasm"
by zackasaur September 12, 2010
Get the Lady-Gagasm mug.