Stuck up and snobby; arrogant. Someone who has jumped so far up their own ass, though not necessarily a male, that they become intolerable. Inspired by ponytails: People who wear / have them tend to act better than others.
"That girl is so up dude."
"Your boyfriend is hot but he's is too too fucking up dude."
"Man, chill out, don't be so up dude!"
"Your boyfriend is hot but he's is too too fucking up dude."
"Man, chill out, don't be so up dude!"
by UdoU March 3, 2017
Get the Up dudemug. 
a phrase isolated to the santa cruz mountains that can follow any sentence with no particular meaning.
by scmb'd December 13, 2012
Get the dude or dudemug. by The dank dank 420 September 20, 2018
Get the Geo-dudemug. by SKB2! May 24, 2025
Get the Dudemug. by Nic lager March 10, 2018
Get the peter dudemug.