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5.
a pronoun/adjective to be used when describing someting either tremendously awesome, or horrifying terrible. Commonly used at the end of a back-and-forth one-upping shouting match. Always the definitive, most powerful word in said argument, even though it often has no relation nor place in the argument.
"you're stupid"
"you're stupider"
"you're stupidest"
"you're stupid to infinity"
"you're SERGEI!!"
by Nick + Phil June 10, 2004
 
1.
Adj- 1. Meaning very hot or attractive to the opposite sex; 2. Hot, Steamy, sexy
He was so Sergei
by Anonymous October 27, 2003
 
2.
aaron stanford's very sexy russian character on third watch. officer sully's stepson, and tatiana's son. he was killed off in the episode judgement day.
that guy over there was almost as hot as sergei.
by Alira January 17, 2004
 
3.
A person who doesn't care.
Person 1 - Hey man you wanna eat pizza for lunch?

Person 2 - ummmm I don't know, I sergei!!!
by fiddy March 11, 2005
 
4.
(Sirgay as well) A gay sir
Dude that was so gay. Of course Sergei the gay sir did that.
by dade45 November 07, 2013