Walker flinches instinctively at the loud blast and the sound of a wicked crack over his scalp—right inside his hair.
The “perhaps” is a problem, for there are plenty of flinches in the book.
“All of the things I did,” he starts to say, “you need to understand…” Skyler flinches.
1570s, from obsolete flecche "to bend, flinch," probably from Old French flenchir "to bend," probably from Frankish *hlankjan or some other Germanic source (cf. Middle High German linken, German lenken "to bend, turn, lead"), from PIE root *kleng- "to bend, turn" (see link (n.)). Related: Flinched; flinching. As a noun, from 1817.