We had this before in Cafe Society IIRC, before this forum existed.
Simply put in a well-known brand name or trademark, next person mangles it.
E.g.
Wal-Mart
Wal-Fart
So, here we go:
Coca Cola
Cock-eyed Cola
Dunkin’ Donuts
Drunken Donuts
Volkswagen
Wankswagen
Burger King
Booger King
Post cereals
Most Cereals (created by that guy from Happy Days)
Crest Toothpaste
Crust Toothpaste
[This reminds me of Mad magazine.]
Tylenol
Tie-one-on
Papa John Pizza
Poo-Poo John Pizza
Dell Computers
Dull Computers
Samsung
Flamsung? Flamesung?
Anyway,
Kotex
ETA: OOOOOO now I got it, BLAMsung!
Koochtex.
Preparation H
Detonation H
Anacin
Anusin
Dr. Pepper
Dr Pecker
Entenmann’s
Eatinmunch
Revlon
Rave-on ~~Bodycology
morphology~~~to move this along
Kellogg’s
Smellogg’s
Calvin Klein
Calvin Kobbes
Rice Krispies