1 definition by JON MASSIE

use your phone to record a girl orgasming while you're having sex with her, then set that recording as her personal ringtone when she calls you.
<your phone rings>
friend - "WTF? that sounds like theresa, but what's happening to her?"
you - "oh, that's theresa's o ring"
by JON MASSIE December 5, 2009
Get the o ring mug.