A bed, especially with someone sleeping in it and thereby being the filling for the sandwich. To "make a blanket sandwich" implies simply going to bed.
Dude, as much as I'd love to stay up and chat, it's already 3:00 a.m. and I've got to be up for work. I need to make a blanket sandwich.
by Vinderex June 7, 2018
Get the blanket sandwichmug.