1 definition by Tim51886

Top Definition
1) The leader or authority in a group, especially in a group of friends.
2) 2007 Film "Alpha Dog": Johnny Truelove is an Alpha Dog
"Just like how a country has a president, a clique has an Alpha Dog."
by Tim51886 March 02, 2008

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×