To fuck something up badly
“That fucking idiot Dave was supposed to fit my new floor, but the twat NAUSED it all up”
Naused: define #2
northern english slang for “ignored”
Guy: I tried talking to a girl last night at the bar, and she completely naused me
Naused: define #3
When you text someone and know they have your message but ignore you on purpose usually to annoy/irritate you
She messaged him on Facebook but he didn’t answer her even hours later even though he was posting on his story/day just minutes after she messaged him. She was being ‘naused’.