Top Definition
1.) fictional ghost created by Chicago native Harold Ramos.

2.) prison slang for an inmate that uses various forms of human waste as a weapon ala chimpazeeing it at an unsuspecting corrections officer. Common weapons of a slimer is often feces or piss sometimes they combine the two. High profile example is Danielle Strong. Also one who engages in gassing
When I address a slimer, I am not talking about the Harold Ramos character, but the second definition. They like to do an impression of a chimpanzee in captivity. Look up the term gassing and you will be grossed out.
by ilinoishorrorman January 21, 2018

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