Here is a list a some terms or abbreviations you might see on this site and other places that will help you understand terms that are often related to coupons.

$1/2 - $1 off two items
B1G1- Buy One, Get One
Catalina – Coupon that prints at the register
ECB - Extra Care Bucks (CVS)
EXP – Expires
GM - General Mills Insert
IVC – Instant Value Coupon (Walgreens store coupons)
IP/IPQ – Internet Printable Coupon
MFR - Manufacturer Coupon
MIR - Mail in Rebate
OOP - Out of Pocket
P&G – Procter & Gamble Insert
Peelie – Coupon that is attached to a product
Q – Coupon
RP – Red Plum Insert
RR – Register Reward (Walgreens)
SC – Store Coupon
SS – Smart Source Insert
WYB – When You Buy