"Give Bilgemuck some meat" is an objective in the main/side/misc quest "The Chief of Thirsk Hall" in Elder Scrolls V: Skyrim - Dragonborn.
Walkthrough[edit]
Head on out of the Thirsk Mead Hall. Go out to the nearby lake and start exploring the shore of it. Along its shores you will find the Bristleback, the named Bildgemuck
Approach the bristleback, Bildgemuck. Interact with the boar to give it some meat by transfering it from your inventory to its.