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 06, 2009
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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 InfernoHex September 28, 2020
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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 11, 2010
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