1. Noun, The assembly of comments that one makes about oneself in order to boost their ego. Usually this is made by people who already have huge egos, not those with smaller ones.
2. Noun, Anonymous Postings that are put on the internet to boost people's views on different groups that they are apart of.
3. The definition of names on the Urban Dictionary
-I might not be able to bench as much as the other guy, but at least I have a huge penis
-I see you have assembled a very secure cradle of vanity
JOIN THIS FACEBOOK GROUP!! XXXSSSXXX SUPZORZ XXXSSSXXX! IT KICKS ASS AND SHIT!
Nice. I think this is the best built cradle of vanity ever built
AMAZINGLY SEXY OMG I MUST SLEEP WITH!
-Man, I just read the most vain comment ever. I swear the author was trying to sew himself into a cradle of vanity