when one is so overcome by giggling that they are unable to perform any other actions. commonly affects ditsy girls.
Bill: "why can't sarah just answer my question?"
Sarah: *giggles and kneels over*
Josh: "dont worry about her, she is suffering from giggle incapacitation"
Sarah: *giggles and kneels over*
Josh: "dont worry about her, she is suffering from giggle incapacitation"
by caskaziom January 10, 2011