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1.
A common romanian word referring to a cool, sexy guy. you should only use it if the guy is absoloutely perfect. Tiberius are usually obsessed with PSP (pro evolution) and Parnaz girls.They are dynamite in bed .
Parnaz : I got hooked up with a guy last night . he was such a dynamite in bed. He was Tiberiu

Andreja: OMG ! its like awesome , I wish i could hook up with a Tiberiu. Thats the biggest dream of my life

Katija : LOL , Its impossible Tiberiu's are usually into Parnaz's
by Tibiobsessed May 03, 2009
 
2.
From the 2009 Star Trek, Tiberius is synonymous with "awful".
The original phrase it came from: Tiberius? That's the worst!
I can't go to the KISS concert because I have a test the next day. It's so Tiberius!
by Trekker102 November 01, 2009
 
3.
The sexiest of all video game players. He is a master of Halo. Bow down to him when you meet him on the streets. He is the highest for of 1337 imaginable.

Member of the TMBJ Clan.
Damn you Tiberius! Someone go kill that SOB.
by Tiberius October 23, 2003