Noop

There are people right here in Disneyland who have gone to California by rail. They never saw Utah. Kansas, yes. Idaho, O.K., Nebraska, mabe. But Utah? Uh-uh! Noop! Negative! Nope! No! It's just not there.

Source: wiktionary

when writing a message hmmmms..., aaahhhs, woos & ehs yip, yeap, yeah, yap, yup, yupe nope, noop & noope... are all nuance musts piping thru' the mail passage to carry a voice to understand signals

Source: wiktionary

Lana (on phone): “Noop.” “Lana? Listen I--” “Noop.” “--need you to--” “Noop.” “--stop saying noop!” “Noop, Archer. Noop. And it's going to sound like I'm hanging up, but--” [dial tone]

Source: wiktionary

“HEY BROOKS, YOU EVER SEE ANYTHING LIKE THIS BEFORE?” “NOOP. USUALLY GUNSHOTS OR STABBINGS. NOTHING LIKE THIS. WHAT EVER HAPPENED TO THE DRUG-DEAL-GONE-BAD?” “WHAT MAKES YOU THINK IT'S NOT?”

Source: wiktionary