slough (plural sloughs) 1  The skin shed by a snake or other reptile. That is the slough of a rattler; we must be careful. 2  Dead skin on a sore or ulcer. This is the slough that came off of his skin after the burn.
The name Groupon is a combination of the words group and coupon, which references the company's viral marketing business model.
How to Use a Groupon Promo Code. 1  Verify the coupon discount on your coupon code. 2  Add Groupon deal to cart by clicking the big green BUY! button. 3  Click the check box in cart that says Use a promotion or gift code. 4  Enter coupon code, then click Apply.  Verify new order total.