1. Leader of a pack of geeks, misfits, or rejects

2. Meek,nerdy,or geeky male showing false bravado or empty machismo.
1.Mikey is obviously the alf-alpha male of the goonies.

2. I love playing video games with mike, until he starts winning and goes all alf-alpha male on me.
by Geffelz January 22, 2011
Get the Alf-alpha male mug.