Coupon Lingo

What do all those abbreviations mean?
Wyb = when you buy
RP = RedPlum insert
SS = SmartSource insert (example: SS 9/11 = SmartSource insert from 9/11 paper)
PG = P & G insert
GM = General Mills insert
B1G1 = Buy one get one
MIR = Mail-in rebate
OOP = out of pocket
RR = Register Reward
SC = store coupon
MFR = manufacturer’s coupon
$1/3 coupon SS 10/2 = $1.00 off 3 coupon from the October 2 SmartSource insert