Ignorant schmuck: "Who is that with Jocko in his big masculine truck...what are they doing?
Totally acceptant person: "You ignorant homoidiot- that's Rocko and Jocko making out (in Jocko's big truck.)"
Ignorant schmuck: "ISTFI! Hell, I didn't know they were gay."
Totally cool person: "See, not all gay people are obviously gay...whatever that means."
IstfgIwkms - I swear to fucking god I wanna kill my self, another way to say I wanna kill my self without saying kms (Kill myseld)
"IstfgIwkms PLEASEE my head hurts so much" - Person 1
"what does that mean?, IstfgIwkms, what does it mean?" - person 2
"it means "I swear to fucking god I want to kill my self" - person 1
"oh ok!" - person 2
An irreverent expression of distrust rooting from prior deep-seeded emotions of hurt and betrayal. Usually given as an opener for a cause and effect scenario. Similar to ISTG, but more severe.