un-Dude 

being stressed or not calm. upset. super pissed off.

The Dude: Shit! Walter, you fuck... you fucked it up! You fucked it up! Her life was in our hands, man!
Walter: Nothing is fucked here, Dude. Come on, you're being very un-Dude. They'll call back.

un-Dude by Mr. Kay November 15, 2006

un-dude 

not being very relaxed or not laid-back; stressed

You're being very un-dude.

un-dude by The Dude December 17, 2003

undude 

not like the dude, or being uncool or atypically stressed

Nothing is wrong you cunt, quit be so undude

undude by Es Ef Duece wun March 4, 2004

Undude 

Noun. A person that is no longer your dude / pal.

Verb. The act of not being friends with someone anymore.

We use to be real close. Now he's undude to me.

Stop being so rude or I'll undude you!

Undude by ellesypatelsy November 6, 2014