Top Definition
When your cell phone is on Silent or Vibrate mode, and you fall asleep.
Person 1: I was calling you all last night why didn't you ever pick up?

Person 2: Sorry man, I was sleeping on silent.
#sleep #phone #cell #vibrate #silent #asleep
by TJromanowski February 15, 2009
6 Words related to Sleeping On Silent
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.

×