Top definition
The time where you wonder why you're still up and keep thinking about things.
Person1:" up fam?"

Person2: "yea, wyd?"

Person1: "I'm thinkin real hard. It's just that time of the night."

Person2: " you having 4:00am thoughts?"
by It's yo mom May 25, 2016
Get the mug
Get a 4:00am mug for your sister-in-law Helena.