Rimfrost Share definition Flag Rimfrost, similar to a rim-job, is the result of pulling out and shooting your load onto your partner’s asshole, thus giving it a good layer of “frosting”. I didn’t want to unload inside her, so I pulled out and gave her a good rimfrosting. Rimfrost by Vols138 October 19, 2019 0 0 Get merch Get the Rimfrost mug. Buy Now — $32.95 See more merch