Renditions of "Peanut Butter Chocolate Mudpuddle" as ad-libbed by customers:

1) Mudpuddle
2) Chocolate Puddle
3) Chocolate Pond
4) Peanut Butter Mud Swamp
5) Chocolate Peanut Butter Thing (let's give it a little effort)
6) Chocolate Peanut Butter Ripple
7) Fudge Peanut Puddle (the alliteration is admirable)'
8) Peanut Mudpie

I guess it's just a hard flavour to remember.