The story
From flabbergast + -er.
Etymology from Wiktionary, CC BY-SA 4.0.
flabbergaster
Today it means: A person, thing, fact or event that is flabbergasting, or that causes extreme shock. Full definition →
Today it means: A person, thing, fact or event that is flabbergasting, or that causes extreme shock. Full definition →
From flabbergast + -er.
Etymology from Wiktionary, CC BY-SA 4.0.