Definition of squick in US English:

squick

verb

[with object]informal
  • Cause (someone) to feel intense disgust.

    ‘we get that bodily fluids can squick people out’
    ‘stop reading now if you're squicked by injury details’
    • ‘It's dark and scary, but in the way that squicks adults much more than children.’
    • ‘I'm just getting pretty squicked out.’
    • ‘Some people get squicked out by the idea of swapping germs.’
    • ‘I recall being entirely squicked out by the giant sandworms in the film version of "Dune."’
    • ‘It's a dark noir that's as much about turning you on as it is about squicking you out.’
    • ‘It is a thick double chop, and the "trend" for pork is not to cook the heck out of it anymore, which was fine with me, but some people might have been squicked.’
    • ‘It should be noted that squid is one of the few creatures which squicks me no end.’
    • ‘I was entirely squicked out by the violence.’
    • ‘Squicked out by the thought of eating industrial sized, manufactured giant chickens?’
    • ‘It's not rational, but the idea of those two dating squicks me out.’
    revolt, repel, repulse, sicken, nauseate, cause to feel nauseous, make shudder, turn someone's stomach, make someone's gorge rise
    View synonyms

Origin

1990s: apparently from squ- (in squirm or squeamish) + ick.

Pronunciation

squick

/skwik/