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.
Quick Answer. The customer service number for Groupon, 888-375-5777, is available Monday through Friday, 9 a.m. to 5 p.m. The phone number that appears when using the website Help Wizard, after clicking Call Us, is 888-664-4482, available Monday through Sunday 8 a.m. to 7 p.m. Continue Reading.