Oof

No specific meaning, can be used as an insult or a compliment. Also the Roblox death sound

"I'm going to oof you"
"Is that a compliment or an insult"
"Youuu decide :)"

Fuck nugget

A stupid person, typically doesn't know basic things like jokes or math

"Hey why did the chicken cross the road "
He wouldn't, he'd be locked up in the coop"
"OMG YOU'RE SUCH A FUCK NUGGET