EBYIAF 

'Everybody But You is a Fuckwit'. Response to commentors who, after the fact, are suddenly condescending experts on the topic at hand.

Alternately: E(by)IAF.

in response to a news article on volcanic eruption that killed 20,000 people in far away place

Commentor A: Those dumbasses should have known better than to build their houses downhill from a volcano. Serves them right.

Commentor B: EBYIAF.

EBYIAF by MutantMoxx June 30, 2016