The story
21st century. From the idea of saying nope and getting out; compare bow out (v.i.), peace out (v.i.), and laugh away (v.t.), which illustrate similar metonymic formation of a troponym.
Etymology from Wiktionary, CC BY-SA 4.0.
nope out
Today it means: To leave a place or abandon a situation or activity, usually quickly, because of feelings of fear or disgust. Full definition →