Top Definition
When the previous day, or yesterday, served the sole purpose of catching up on much needed rest and sleep.
"Man, after that week-long backpacking trip I was so exhausted that I had a resterday. I feel great now though!"
by crispychicken January 15, 2013

Free Daily Email

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

Emails are sent from We'll never spam you.