The opposite of "grave goods", which are items buried with someone who's died, to accompany them in the afterlife.
Grave bads are the items people start gifting or regifting to family and friends as they get older, trying to simplify their lives, unhoard their homes, and generally realize you can't take it with you, and it's not worth keeping. Though not fully ready for the trash, so they find a home for it in you.
After a full and industrious life, Lawrence had assembled scads of tools, art, and other comforting sundries. But rather than give them away as burdensome grave bads, he loaded them on his boat, set sail with his last breaths and lit himself and all of it on fire.