rimkisser Share definition Flag One who habitually performs the act of brown-nosing or ass-kissing to an extent that that individual had his/her lips on the receiver's rectum. Matt will do anything for Chris to make himself look better; he's such a rimkisser. rimkisser by Dizzle37 December 6, 2006 0 0 Get merch Get the rimkisser mug. Buy Now — $32.95 See more merch