Allston 180 Harvard Ave. Boston, MA 02134 (617) 779-7901 but you can always do your own cool fugly looking sweater ayt? :D
Urban Outfitters Back Bay - they always have crazy things so you're bound to find that ugly sweater ^.^
The Goodwill Store - in Davis Square.. has a whole host of sweaters to choose from!
The Goodwill Store - if you're looking for tacky and NOT natural fibers, there's no better place. Racks and racks of acrylic as far as your eye can see! Cheap, too!
You can try TJMaxx or Kmart or Walmart they are bound to have those wonderful ugly Christmas sweaters that everyone loves
The Garment District - This place is great for lots of awesome cheap goodies. Just need to take some time to explore!I I think that the by the lb deal they have on the first floor might be successful for finding just the right ugly sweater :)
The Garment District, 200 Broadway, Cambridge MA 02139
The Garment District - This consignment shop has to be the most prime spot for hideously beautiful sweaters, perfect for any Christmas party. You are likely to find something from the early 70's in that place if you look hard enough.. how much better could you get!?
The Garment District - $9-12. Great selection.
Buffalo Exchange - Always curated to have the craziest/best stuff!