Temporary tattoo.
Mosquito bite, bandaid.
Practicing being Lindy for Halloween. Aviator scarf.
Too high for a turtleneck? What's the weather like?
Make it bigger and less hicky-like. If you start scratching that whole area vigorously, as if it were an itchy mosquito or flea bite, the hicky will start to look like...a bite that itched so much that you scratched the heck out of it.