Top Definition
A purposely loud and annoying yell when a man climaxes during sex to both inform his roomates that he just gasmed and to have his partner freak out in embarrassment.
Guy 1: dude, i wonder if pete actually tapped that ass tonight?

Guy 2: Idk man isnt he in there now?

Pete (In background) GAAAHH!

Girl With Pete: WTF!?

Guy 1 and 2 : Yep looks like he did.
by SlaDan September 24, 2008
7 Words related to Gaaahh!

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