Top definition
Pronounced (rek-toos dom-eh-noos): 1. Latin moniker for one commonly referred to as "ass master."
2. One who reigns supreme over a multitude of "ass masters"
"Rectus Dominus over there said that I have to work late tonight, so I won't be home by 4:20."
by Cootie Brown March 15, 2007
Get the mug
Get a rectus dominus mug for your Facebook friend Sarah.