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The excited orgasm-like expression one gets upon opening a present; often used in the context of faking it.
I got the ugliest magenta sweater from my aunt, but the whole family's there at the party so I had to fake a giftgasm.
by H.C. S. June 16, 2008
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The squeal or gasp when on the receiving end of a kick-ass gift, refers to the general excitement of unwrapping a present. Can also be faked for politeness.
Joan let out a ear-ringing giftgasm when she unwrapped her new diamond ring for her 20th anniversary.

Kyle faked a giftgasm after receiving a homemade sweater from his grandmother.
by jonnykoolkid December 27, 2010
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