The act of clipping every coupon and leaving them near the item in the store for others to use. The good Karma is returned when others start practicing Coupon Karma as well.
Wife: Greg, why was your shopping trip so long?

Husband: Sorry, I had a ton of coupons that I had to leave around the store. Just practicing Coupon Karma.

Wife: Your an idiot.

Husband: Actually, I found a $2 coupon for your tampons...you're welcome.
by Freezod33 February 19, 2013
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