yercats Share definition Flag A stupid word used by many junkies and their collective posses. Ok when used once, but often used ad nauseum replacing the word yes. Jon: Hey have you been talking to Sidhu? Devyani: Yercats yercats by Botonf February 16, 2010 0 0 Get merch Get the yercats mug. Buy Now — $32.95 See more merch