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1.
someone who acts as if they've got a large round object rammed up thier arse
dude, this dude is a slizer
this slizer is no dude, dude
by zeriod November 30, 2003
 
2.
A Big fat gay.
A big fat gay, typically one who uses IRC.
by Kueller November 23, 2003
 
3.
Elite Hax0r
Man, Slizer is GOD!
by OMGWTFASL November 22, 2003
 
4.
One pertaining to have contracted a disease relating to ones weight, when really one should just stop eating so many pies.
Stop being such a Slizer
by Dr. Slizers Doctor August 15, 2004