[Ultra] 

means something bad on a large scale proportion. Something not very good/awful.

"Oi that bird was an Ultra

[Ultra] by sackheroffmate February 3, 2009

ultra 

(adj.) Immoderately beneficial or superior in any way to normal. Usually better than the best possible. Can apply to items or skills.

We should go for a joy ride. Your dad's Porche is so ultra.

ultra by Chuck Norris' Fist December 28, 2005

ultra 

synonym for very, really, super, extremely etc.

Person 1: Dude, did you see that chick?
Person 2: Yeah, she's ultra cute

Person 1: Thanks for helping me with my math homework! You're ultra smart.

Person 1: dude that was ultra cool

ultra by ultraloser April 28, 2014

ultra 

A really hardcore fan of a spanish or italian football team. Ultras have been associated with violence, hooliganism, and racism. Not all people who consider themselves ultas, exhibit these characteristics. some are just avid fans.

ultra by bigrattus June 6, 2003

ultra 

a fanatical fan of an Italian football team
can be ultra left or right wing depending on the team and many have strict political codes.
Love a good dust up with the Italian police and are a big power within the Italian game, deciding on anything from what songs to sing to whether or not a club can buy a certain player
Ultra groups have been known to bollock their teams players after a bad performance

ultra by bigmeuprudeboy September 10, 2003

Ultra 

A slang term for cool, super, extroirdinairy. It will never be back, stop trying to use it Rob.

Ultra used to be cool, but you should really stop saying it.

Ultra by Betchplease June 13, 2014

ultra 

A slang term having roughly the same meaning as "awesome" or "cool." The word is used to affirm something the user deems positive or desirable.

Friend: Dude, I am rabidly hungover.
You: God, so am I.
Friend: Let's pick up something to eat... with bacon.
You: Ultra.

ultra by peppertiger March 21, 2010