Si Slag is an older verizon of the Slag, this is the woman with the 15 yrs of smoking in her voice, or the 35 yr old trying to flirt with the 23 year old guys.
Yo, that bitch at the bar with the leather skin from all those tanning beds is definately a Si Slag.
by Chuck Tooth February 21, 2005
A term refering to a good thing or one of record. Refering that one might "call Guiness book of world records because its so good or shocking
by Chuck tooth September 25, 2006
Noun: When you pull a used tampon out of a girl and stick it up her ass, it becomes a chocolate covered cherry popsicle
by Chuck Tooth February 21, 2005