The flaky crust on a person's anus after continuously not wiping.
Alex said he'd give me $100 for eating his chocolate wafer.
I was about to give my girlfriend a rim job when I noticed she had a massively thick chocolate wafer on her butt hole.
a wafer that u drop on the floor but pick up and still eat it
“aw man i dropped my chocolate wafer”
“oh no! now u have a dirty chocolate wafer”