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2. IGF
An acronym standing for "intense giggle fit".
"Dane Cook gives me multiple IGFs."
1. igf
An internet "girlfriend", used by kids in games who cant get any irl.
Tom - JENNA IS MY IGF!!!!!!
Mark - Yeah, well Linda is my gf irl. And im sure shes a chick, Jenna can be a 40 year old basement dweller
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