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.
Groupon Headquarters Info. 1  Facebook: http://www.facebook.com/groupon. 2  Twitter: http://twitter.com/Groupon. 3  GooglePlus: https://plus.google.com/106361739219205932543/posts. 4  LinkedIn: http://linkedin.com/company/groupon. 5  YouTube: https://www.youtube.com/groupon.