The story
Compound of sneed (nonsense word, or "to seethe") + hon (“a trans woman who does not pass”), coined by Twitter user and microcelebrity @kirnixis as a satire of 4chan /lgbt/ slang.
Etymology from Wiktionary, CC BY-SA 4.0.
sneedhon
Today it means: A trans woman who exhibits stereotypically transgender traits and who does not pass. Full definition →