To be struck with an incessant laughing/giggle fit that keeps going on and on at inconvenient times, rendering you fucked because now you look weird.
Person 1: *sitting in a classroom which is currently silent then happens to think of a funny line from Pineapple Express that strikes a chord* AhahahahahahahahaHAHAHAbuah! *clutching stomach, tears streaming down face, trying to be quiet but failing*
Person 2: That man....is suffering a GiggleFuck.
Verb: The action of making somebody giggle/laugh hysterically for a long period of time, causing others to become slightly aggrivated
John-*laughing at a joke*
Eric-Dude, shut up, I'm tryna watch Inception!!!
Eric-Shut the hell up John!!!!
John- I'm sorry dude
Eric-God I can't hear with you gigglefucking in the backround
a gigglefuck is that feeling u get that some of us have forgotten about
we used to get it alot when we were kids
for no apparent reason u can be sitting there and an all consuming feeling evelopes u that rises up ur body and makes u shake and tingle and sometimes get goosepimples
if often experienced settling into a cold bed
stimpy from ren and stimpy was quite good at gigglefucks
nuack nuack nuack nuack that gigglefuck was fantastic!!!!!