When you put peanutbutter on your balls and let a buddy lick it.
Peter Pan put some peanutbutter on his nuts and had his dog lick it, they are now peanutbutter buddies
When you banging a hooker and put the money in her asshole but when she takes it out it's filled with dirty hooker skat
Thus the name peanutbutter dollar
Tyron: yo I was banging this skanky ass hooker the other night and I put the money in her ass
Labron: bruh you gave her a
peanutbutter dollar