Top Definition
A model railroading expression generally used to describe unprototypical operations,extremely toy-like,a real far cry from reality.
I don't like his setup. I think he has lionel mentality.
by teh744 May 26, 2008
5 Words related to lionel mentality

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.