1. When someone experiences a "demanifestation", their johnson falls off from jelqing too much.
2. When an apparition or other type of spirit/ghost manifestation disappears.
1. Dawg, i need to buy a replacement penis. I had a demanifestation.
2. Holy shizzle dawg, that EVP was scary! i be glad that ghost don't come in my hood or i bust a cap in his ass, then i bust a cap in his moms ass. then i put my woody in her ass.