on at which articles no longer wanted may be exchanged for other articles sweet shop n (Chiefly Brit) a shop solely or largely selling sweets, esp. boiled sweets talking shop n Informal a group or committee that has discussions that never result in action tuck shop n (Chiefly Brit) a shop, esp. one in or near a school, where food such as cakes and sweets are sold union shop n (formerly) an establi