The story
Seemingly phonaesthetic, formed of squ- as in squirm and -ick as in ick. Originated in the Usenet newsgroup alt.sex.bondage; popularized primarily in the newsgroup alt.tasteless.
Etymology from Wiktionary, CC BY-SA 4.0.
squick
Today it means: A source of individual psychological discomfort; something that repels one. Full definition →