Top Definition
To instruct someone to think logically and not to blinded by human emotion.
Paul: Danielle keeps messing me around bruv! what do u think i should do?

Josh: Be Vulcan
by Infidel_92 July 06, 2010
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.