An annoying kid who likes to say darnit and thinks he's cool but he is really just a fat loser that no one likes
by ramsymiddle school March 28, 2015

A tall good looking smart person who has girls chasing him great personality but doesn't try in anything unless he wants to and when he does he is always successful and he is also quite well known and liked
Man Ur turning into a Seby
by xghdgfdhgfgd September 22, 2016

word used in romania in the south region when somebody is acting retarded, for example you're a sebi or stop acting like a sebi
by kata2343433 January 8, 2022

by s January 22, 2004

Sebi makes you think he loves you and you're hoping he'll ask you out and suddenly he turns into the world's biggest douche and won't even talk to you anymore.
by BILBOBAGGINS October 1, 2012
