The state of being at which one is no longer able to comprehend or explain their surroundings. This happens when someonody is too stoned or high to function, usuallly after hitting a nice water pipe.
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"
Usually the female kind who has this problem, they are unable to show affection and do not see the point of it. They are unable to publicly or privately show much affection at all.
Dude: you are so amazing in so many ways your pretty and sweet!
Girl: kul wats up?
Dude: wtfpwnt Affectionately Incapable much?!?!?!