The majority of your coupon stockpile will come from the Sunday newspaper. There are three common coupon “inserts” that you will hear referenced.
P&G – Proctor and Gamble insert
RP – Red Plum insert
SS – Smartsource insert
For example: $1/2 Post cereals 11/2 RP (coupon will be found in November 2nd Red Plum insert)
$1/1, $1/2 – Dollar amount off number of items, for example: $1 off 2 boxes of Post cereal
Blinkie – Coupon found in small black box mounted on shelves in grocery store aisles. Pull out one coupon and another automatically pops up. Mounted by corresponding product.
BOGO – Buy one, get one free (or B1G1)
Catalina – Coupon that prints out at register after you have completed your transaction. Usually dollar amount off your next order, only to be used at that store.
Double coupon - Certain stores offer double coupons as a promotion. They will double a manufacturer coupon up to a certain amount, as specified on coupon usually up to $1.
E-coupons - Electronic coupons that can be loaded onto your store loyalty card and used in conjunction with paper coupons (shortcuts.com, cellfire.com)
FF - Firefox browser
GC – gift card
IE - Internet Explorer browser
IP - Internet printable coupon
MIR – Mail in rebate
One coupon per purchase - One coupon can be used per qualifying item in a single transaction, multiples of the same coupon can be used.
One coupon per transaction – Only one coupon of a similar type can be used in a single transaction.
OOP – Out of pocket (cost out of pocket, usually before rebate)
Peelies – Coupon found on product itself, that you “peel” off
SCR – Single Check Rebate (Rite Aid’s online rebate program)
Stacking coupons - The practice of combining an in-store coupon with a manufacturer coupon to increase your savings.
Tear pad – Similar to blinkie coupon, but found on tear pad near corresponding item
WYB – When you buy
Feel free to add more that I have missed in the comment section. I will try to add to the list as I think of new terms (or make up my own!).