look up any word, like plopping: A person who plays Counter
Strike fanatically and often compares other games to it.  CSer
is either used in a derogitory fashion within communities of
other games, or just to state that that person plays "CS".
Jack's a pretty good CSer  Why don't you go back to your rank-
whoring you stupid CSer by Bluehawk July 16, 2004 1) Word used
to describe a player of the game Counter-Strike 2) A person,
usualy between the ages of 8 and 12 that has the IQ between 15
and 45 Just ignore all the CSers by maxdamage January 11, 2004
Discrete way to say Cock Sucker. I hate Bo, he is such a CSer
!!! by Kyle L November 12, 2005  a member of the website
www.couchsufring.com  pl. CSers  Me and another CSer explored
Rome together! by CSer in Action April 15, 2009