A term used to describe a man's penis that has difficulties reaching an erection. Or another name for a small penis.
I hate my Little Einstien!
He had a Little Einstien...so I walked out.
By Grata
Einstiens Mustache
When you cum on a girls upper lip while she is sleeping and then stick white cat/dog hair in it so she wakes up with a mustache and solves the "theory of relativity"
