A verb describing a type of sexual dominance where either the "Papa Bear" (males) or "Mama Bear" (females) will dig their nails into their partner and vigorously fuck them while tremendously roaring like a grizzly bear. *Optional: Between roars, remarking on passionate grizzly bear topics such as defending caves, cubs, hibernation, honey, salmon, berries, etc.*
-"I don't mind rough sex, but when my boyfriend Grizzly Fucked my butt hole last night, I was very concerned."
-"The first date went very well. I'll latch right onto his chest and Grizzly Fuck him if he invites me back to his place tonight."