Negaslime

 NEGA-tive SLIME. GET IT? HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAH IT"S SLIME USED BY DEAD SHITS - Some Asshole

dude this slime is off the chain - Abe Lincoln

Negaslime, also known as Negative Slime or Anti-Slime, is an abstract resource associated with ghost. It can be used to create negaslimeoids. Negaslime can also refer to the creature that caused the negapause. Haunting players will result in slime.

The concept and term Anti-Slime was coined by oldfag staydead, Levy Jevy.