Sentence:  These are <WSD>blinkies</WSD>. When you walk up to them there is usually a coupon sticking out. Snag the coupon and another one just like it will pop out in a few seconds. Blinkies have a special place in my heart. 
Meaning of the word marked with <WSD> tags:  A coupon dispenser with blinking lights to draw the attention of shoppers.