Phrase used to describe joy for the commencement of an event, the excitement for the beginning of something. Originated with the excitement one receives when getting a great deal on the famous coupon site Groupon.com
Alex: Dude, I just got a Steak dinner at Gibsons for like $20 bucks. Let's Go!!
Oscar: It's on like Groupon
Oscar: It's on like Groupon
by unemployed8 April 7, 2012
Get the It's on like Grouponmug.