Definition
To have sex with each other.
To be intimate with each other in the same bed.
Also Said As
- have sex
- sleep +
How People Actually Use It
a day where you can sleep with ANYONE you choose no matter what they have to say yes so choose wisely
"Person 1: hey bro did you really ask her to sleep with you? Person 2: yeah man its national sleep together day. Person 3:hey will you sleep with me?"
Source: Urban Dictionary