Moderator, Marriott Bonvoy & FlyerTalk Evangelist
Join Date: Oct 2002
Location: McKinney, TX, USA
Programs: United Silver; AA Plat/2MM; Marriott LT Titanium; Hilton Gold
Posts: 11,775
A quick search using "Bonus Bucks" will provide a lot of illumination. But in a nutshell, BBs/PPs are coupons in $50/$100 denominations (or British Pounds for the PPs) that can be used almost like cash for 2 or more night stays.